WASHINGTON (Reuters) - Suicide rates among people of all ages are higher in states where more homes have guns, U.S. researchers reported on Tuesday.

AP - A Bush administration official has told North Korea that time is running out for it to act on a nuclear disarmament agreement, a U.S. official said Tuesday, as the weekend deadline approached for Pyongyang to shut down its main nuclear reactor.

AP - Don Imus' morning talk show will be suspended from CBS Radio and MSNBC for two weeks following protests about his reference to members of the Rutgers women's basketball team as 'nappy-headed hos,' both networks said Monday.

AP - Domesticity diva Martha Stewart aims to parlay her authoritative voice on everything about lifestyle to the millions of women who surf the Internet with the relaunch of her namesake Web site.

Reuters - Suicide rates among people of all ages are higher in states where more homes have guns, U.S. researchers reported on Tuesday.

AFP - The United States warned Tuesday it would be difficult to meet the first key deadline this weekend of a breakthrough deal with North Korea designed to dismantle its nuclear weapons programme.

WASHINGTON (Reuters) - Democratic presidential hopeful Barack Obama on Tuesday dismissed the notion he might consider accepting the No. 2 spot on the 2008 ballot -- with Hillary Rodham Clinton at the top.

CANBERRA (Reuters) - Australia is sending special forces commandos back to Afghanistan to hunt down the leaders of the resurgent Taliban as part of a doubling of Australia's troop numbers there, Prime Minister John Howard said on Tuesday.

WASHINGTON (Reuters) - Facing a Saturday deadline to close its nuclear reactor, North Korea told a visiting U.S. delegation it could not begin to cooperate until the release of $25 million in frozen funds to Pyongyang, NBC reported on Monday.

AP - A Bush administration official has told North Korea that time is running out for it to act on a nuclear disarmament agreement, a U.S. official said Tuesday, as the weekend deadline approached for Pyongyang to shut down its main nuclear reactor.

Reuters - Democratic presidential hopeful Barack Obama on Tuesday dismissed the notion he might consider accepting the No. 2 spot on the 2008 ballot -- with Hillary Rodham Clinton at the top.

Reuters - Australia is sending special forces commandos back to Afghanistan to hunt down the leaders of the resurgent Taliban as part of a doubling of Australia's troop numbers there, Prime Minister John Howard said on Tuesday.

AFP - Technical problems held up vote counting across much of East Timor on Tuesday but the troubled nation's first presidential election since independence was praised as a success.

WASHINGTON (Reuters) - Macau is set to release the frozen funds North Korea has cited as a reason for refusing to shut its nuclear facilities, the U.S. Treasury Department said on Tuesday.

TEHRAN (Reuters) - Two U.N. nuclear inspectors began a week-long trip to Iran on Tuesday to visit the country's Natanz uranium enrichment facility, a day after Tehran declared it had begun industrial atomic work at the site.

ASMARA (Reuters) - Eritrea dismissed on Tuesday allegations by the top U.S. diplomat on Africa, Assistant Secretary of State Jendayi Frazer, that it was trying to destabilize Somalia as a way of hurting its arch foe Ethiopia.

WASHINGTON (Reuters) - Rebuffed in Washington, former Vice President Al Gore is taking his 'Live Earth' rock concert to New Jersey.

BAGHDAD (Reuters) - A suicide bomber killed 14 people lining up outside an Iraqi police recruitment centre northeast of Baghdad on Tuesday.

AP - A female suicide bomber wearing a black abaya detonated her explosives belt in a crowd of about 200 police recruits northeast of Baghdad on Tuesday, killing at least 14 people, police and hospital officials said.

AP - The Rutgers female basketball players called 'nappy-headed hos' by Don Imus are ready to voice their opinions on the remarks that led CBS Radio and MSNBC to suspend his morning talk show for two weeks.

AP - Warming temperatures will cause increased drought and sea-level rises in Australia and New Zealand by 2030 and threaten ecologically rich sites such as the Great Barrier Reef, according to excerpts from a new scientific report released Tuesday.

Reuters - Macau is set to release the frozen funds North Korea has cited as a reason for refusing to shut its nuclear facilities, the U.S. Treasury Department said on Tuesday.

Reuters - Two U.N. nuclear inspectors began a week-long trip to Iran on Tuesday to visit the country's Natanz uranium enrichment facility, a day after Tehran declared it had begun industrial atomic work at the site.

Reuters - Eritrea dismissed on Tuesday allegations by the top U.S. diplomat on Africa, Assistant Secretary of State Jendayi Frazer, that it was trying to destabilize Somalia as a way of hurting its arch foe Ethiopia.

Reuters - A suicide bomber killed 14 people lining up outside an Iraqi police recruitment centre northeast of Baghdad on Tuesday.

AFP - Negotiators are close to resolving a banking dispute blocking a disarmament accord on North Korea, days ahead of a deadline for Pyongyang to start shutting down its nuclear programme, a top US official said Tuesday.

AFP - Nobel laureate Jose Ramos-Horta leads in East Timor's presidential election with about 20 percent of votes counted, and there will probably be a runoff, an election official said.

SEOUL (Reuters) - The United States announced on Tuesday that millions of dollars frozen in a Macau bank will soon be released to North Korea, and told Pyongyang it must now start shutting down a nuclear reactor days before a deadline.

BAGHDAD (Reuters) - A woman suicide bomber killed 17 police recruits outside an Iraqi police station northeast of Baghdad on Tuesday in the first major attack on volunteers for local security forces this year.

GENEVA (Reuters) - The United States took action on Tuesday at the World Trade Organization against Beijing for piracy and blocking access for U.S. films, books and software.

ATHENS (Reuters) - Human error contributed to the sinking of a cruise ship carrying over 1,500 mainly foreign passengers off the island of Santorini last week, Greece said on Tuesday.

AP - A female suicide bomber wearing a black abaya detonated her explosives belt in a crowd of about 200 police recruits northeast of Baghdad on Tuesday, killing at least 16 people, police and hospital officials said.

AP - A U.S. nuclear negotiator expressed hope Tuesday that North Korea could still meet a weekend deadline for taking initial steps toward dismantling its nuclear program as a Bush administration official warned that time was running out.

AP - Warming temperatures will cause more drought and higher seas in Australia and New Zealand by 2030 and threaten ecologically rich sites such as the Great Barrier Reef, according to excerpts from a scientific report released Tuesday.

AP - Secretary-General Ban Ki-moon's first 100 days as U.N. chief, by his own admission, have not been a honeymoon: He's done lots of globe-trotting, made some missteps, and had a few successes.

AP - A large veterinary hospital chain says it recorded a 30 percent increase in kidney failure among cats during the three months that pet food contaminated with an industrial chemical was sold.

AP - Carl Pavano needed just 79 pitches to get a win he waited almost two years for.

Reuters - The United States announced on Tuesday that millions of dollars frozen in a Macau bank will soon be released to North Korea, and told Pyongyang it must now start shutting down a nuclear reactor days before a deadline.

Reuters - A woman suicide bomber killed 17 police recruits outside an Iraqi police station northeast of Baghdad on Tuesday in the first major attack on volunteers for local security forces this year.

Reuters - The United States took action on Tuesday at the World Trade Organization against Beijing for piracy and blocking access for U.S. films, books and software.

Reuters - Human error contributed to the sinking of a cruise ship carrying over 1,500 mainly foreign passengers off the island of Santorini last week, Greece said on Tuesday.

AFP - Serbia's war crimes court on Tuesday sentenced four former members of a paramilitary unit to prison for involvement in the 1995 Srebrenica massacre.

AFP - Australia Tuesday announced it would nearly double its military force in Afghanistan to 1,000 troops, warning that the war against a resurgent Taliban would not be won without extra effort.

BAGHDAD (Reuters) - U.S. and Iraqi forces backed by attack helicopters fought gunmen in Baghdad on Tuesday, witnesses said, in what appeared to be the heaviest battle in the capital since a security crackdown was launched in February.

BURLINGTON, Vermont (Reuters) - The U.S. auto industry challenges Vermont in court on Tuesday, trying to block efforts by 10 states adopting stricter limits on vehicle emissions of carbon dioxide, a main greenhouse gas.

TEHRAN (Reuters) - Russia questioned on Tuesday an announcement by Iran that it was now making nuclear fuel on an industrial scale, a move that if confirmed would take Tehran closer to making an atomic bomb which the West fears is its aim.

AP - A woman with explosives hidden beneath her black abaya detonated them Tuesday in a crowd of about 200 police recruits northeast of Baghdad, killing at least 16 people, police and hospital officials said.

AP - Israeli authorities on Tuesday said they have arrested 19 Palestinian militants for planning to set off a huge car bomb in Tel Aviv over the Jewish holiday of Passover.

AP - A federal judge rejected a motion by alleged al-Qaida operative Jose Padilla to dismiss terrorism charges against him over claims he was tortured in U.S. military custody. The ruling removes one of the last major obstacles to the start of Padilla's trial next week.

AP - Radio host Don Imus, suspended for two weeks for calling the Rutgers female basketball players 'nappy-headed hos,' called the punishment appropriate Tuesday but stressed, 'I am not a racist.'

AP - A U.S. nuclear negotiator expressed hope Tuesday that North Korea could still meet a weekend deadline for taking initial steps toward dismantling its nuclear program as a Bush administration official warned that time was running out.

AP - Warming temperatures could result in food shortages for 130 million people by 2050 and threaten to cause drought and higher seas in Australia and New Zealand by 2030, according to a U.N. report released Tuesday.

AP - The United States filed two new complaints against China at the World Trade Organization on Tuesday over copyright policy and restrictions on the sale of American movies, music and books, trade officials said.

AP - A large veterinary hospital chain says it recorded a 30 percent increase in kidney failure among cats during the three months that pet food contaminated with an industrial chemical was sold.

Reuters - U.S. and Iraqi forces backed by attack helicopters fought gunmen in Baghdad on Tuesday, witnesses said, in what appeared to be the heaviest battle in the capital since a security crackdown was launched in February.

Reuters - The U.S. auto industry challenges Vermont in court on Tuesday, trying to block efforts by 10 states adopting stricter limits on vehicle emissions of carbon dioxide, a main greenhouse gas.

Reuters - Russia questioned on Tuesday an announcement by Iran that it was now making nuclear fuel on an industrial scale, a move that if confirmed would take Tehran closer to making an atomic bomb which the West fears is its aim.

AFP - Serbia's war crimes court on Tuesday jailed four former paramiliaries for up to 20 years after they were filmed taking part in the 1995 Srebrenica massacre of Muslims.

SEOUL (Reuters) - The United States said on Tuesday that Macao authorities have unblocked funds in frozen North Korean accounts, and told Pyongyang it must now start shutting down a nuclear reactor days before a deadline.

WASHINGTON (Reuters) - The Bush administration has been given the green light by Congress to spend about $60 million on upgrading Palestinian President Mahmoud Abbas's presidential guard and for other security expenses, a senior State Department official said on Tuesday.

OSLO (Reuters) - Fighting global warming will be inexpensive but governments have little time left to avert big, damaging temperature rises, a draft United Nations report shows.

ROME (Reuters) - A U.S. soldier who goes on trial in absentia next week in Rome for murder caused a furore in Italy on Tuesday for defending his fatal shooting of an Italian intelligence agent in Iraq.

MIAMI (Reuters) - A U.S. federal court judge has refused to dismiss terrorism charges against alleged al Qaeda operative Jose Padilla who says he was tortured while held at a U.S. military brig for more than 3-1/2 years.

AP - President Bush will invite Democrats to the White House to discuss their standoff over a war-funding bill, but he will not budge from his opposition to troop-withdrawal deadlines in Iraq, the administration said Tuesday.

AP - President Bush will again veto a bill to subsidize stem cell research using human embryos, but would sign an alternative that permits public funding for studies on embryos incapable of developing into fetuses, the White House said Tuesday.

AP - The United States filed two new complaints against China at the World Trade Organization on Tuesday over copyright policy and restrictions on the sale of American movies, music and books, trade officials said.

AP - Cablevision Systems Corp. appealed on Tuesday a federal court ruling that blocked the New York-area cable TV provider's rollout of a next-generation digital video recorder service.

Reuters - The United States said on Tuesday that Macao authorities have unblocked funds in frozen North Korean accounts, and told Pyongyang it must now start shutting down a nuclear reactor days before a deadline.

Reuters - The Bush administration has been given the green light by Congress to spend about $60 million on upgrading Palestinian President Mahmoud Abbas's presidential guard and for other security expenses, a senior State Department official said on Tuesday.

Reuters - Fighting global warming will be inexpensive but governments have little time left to avert big, damaging temperature rises, a draft United Nations report shows.

Reuters - A U.S. soldier who goes on trial in absentia next week in Rome for murder caused a furore in Italy on Tuesday for defending his fatal shooting of an Italian intelligence agent in Iraq.

Reuters - A U.S. federal court judge has refused to dismiss terrorism charges against alleged al Qaeda operative Jose Padilla who says he was tortured while held at a U.S. military brig for more than 3-1/2 years.

AFP - Serbia's war crimes court on Tuesday jailed four former "Scorpions" paramilitaries for up to 20 years after they were filmed taking part in the 1995 Srebrenica massacre of Muslims.

FAIRFAX, Virginia (Reuters) - President George W. Bush on Tuesday invited lawmakers to talk over disputed funding of the Iraq war but refused to negotiate on Democratic demands for a pullout date.

WASHINGTON (Reuters) - The Bush administration has been given a green light by Congress to spend about $60 million to bolster Palestinian President Mahmoud Abbas' presidential guard and for other security expenses, a senior State Department official said on Tuesday.

CHICAGO (Reuters) - Conrad Black's lawyer called for a mistrial minutes after testimony resumed on Tuesday in the fallen media magnate's criminal fraud trial but the motion was swiftly denied.

ANKARA (Reuters) - A Turkish man hijacked a commercial passenger plane on Tuesday flying from the mainly Kurdish southeastern city of Diyarbakir but then gave himself up to the authorities, an Ankara airport official said.

NEW BRUNSWICK, New Jersey (Reuters) - The Rutgers University women's basketball team on Tuesday slammed U.S. radio personality Don Imus, who has been suspended for two weeks for saying the team looked like 'nappy-headed hos'.

AP - President Bush on Tuesday invited Democrats to discuss their standoff over a war-spending bill, but he made clear he would not change his position opposing troop withdrawals. The White House bluntly said the meeting would not be a negotiation.

AP - Motorists can expect an easing of the recent gasoline price surge in coming weeks, with costs averaging about what they did last summer over the heavy vacation driving season, the government said Tuesday.

AP - The House Judiciary Committee subpoenaed new documents Tuesday from Attorney General Alberto Gonzales as part of its investigation into the firings of federal prosecutors, with panel chairman saying he had run out of patience.

AP - The Rutgers women's basketball team will meet with embattled radio host Don Imus, and their coach on Tuesday called his comments 'racist and sexist remarks that are deplorable, despicable and unconscionable.'

AP - Adam 'Pacman' Jones of Tennessee was suspended Tuesday for the 2007 NFL season and of Cincinnati received an eight-game suspension — both for numerous violations of the NFL's personal conduct policy.

Reuters - President George W. Bush on Tuesday invited lawmakers to talk over disputed funding of the Iraq war but refused to negotiate on Democratic demands for a pullout date.

Reuters - The Bush administration has been given a green light by Congress to spend about $60 million to bolster Palestinian President Mahmoud Abbas' presidential guard and for other security expenses, a senior State Department official said on Tuesday.

Reuters - Conrad Black's lawyer called for a mistrial minutes after testimony resumed on Tuesday in the fallen media magnate's criminal fraud trial but the motion was swiftly denied.

Reuters - A Turkish man hijacked a commercial passenger plane on Tuesday flying from the mainly Kurdish southeastern city of Diyarbakir but then gave himself up to the authorities, an Ankara airport official said.

AFP - Iran pledged on Tuesday to further expand its nuclear drive after announcing that its activities had entered an industrial phase, sparking new criticism from the West and renewed calls for negotiation.

CASABLANCA (Reuters) - A huge explosion rocked Casablanca's Fida district after three suspected bombers were killed earlier in the Moroccan city on Tuesday, a Reuters witness said.

WASHINGTON (Reuters) - Attorney General Alberto Gonzales received a subpoena on Tuesday from a U.S. congressional panel for documents related to the firing of federal prosecutors, a controversy that has prompted calls for his resignation.

WASHINGTON (Reuters) - President George W. Bush and congressional Democrats headed toward a collision over Iraq on Tuesday as each held firm on a funding bill that has become a battleground for the future of the war.

UNITED NATIONS (Reuters) - The top U.S. envoy at the United Nations said on Tuesday that Iran's latest statement on its nuclear program made it likely the U.N. Security Council would impose further penalties against Tehran.

BAGHDAD (Reuters) - U.S. and Iraqi forces backed by attack helicopters fought gunmen in Baghdad in a day-long battle on Tuesday, in the fiercest fighting in the capital since a major security crackdown was launched in February.

NEW BRUNSWICK, New Jersey (Reuters) - The Rutgers University women's basketball team slammed Don Imus on Tuesday but plans to meet with the U.S. radio personality suspended for two weeks for calling them 'nappy-headed hos.'

AP - President Bush said Tuesday he wants to talk with Democrats about the standoff over war funding, but made it clear he will not embrace any timetable for a U.S. troop withdrawal.

AP - The House Judiciary Committee subpoenaed new documents Tuesday from Attorney General Alberto Gonzales as part of its investigation into the firings of federal prosecutors, with the panel chairman saying he had run out of patience.

AP - The Rutgers administration and women's basketball team blasted Don Imus' 'despicable' remarks Tuesday, but stopped short of saying he should be fired and agreed to meet with the embattled radio host.

AP - A raging, daylong battle erupted in central Baghdad on Tuesday and four Iraqi soldiers were killed, 16 U.S. soldiers were wounded and a U.S. helicopter was hit by ground fire at the close of the second month of the massive security crackdown on the capital.

AP - A 15-year-old boy pleaded guilty Tuesday in the killing of a high school official and wounding of two others under a plea deal announced after jury selection for his trial had started.

Reuters - Attorney General Alberto Gonzales received a subpoena on Tuesday from a U.S. congressional panel for documents related to the firing of federal prosecutors, a controversy that has prompted calls for his resignation.

Reuters - President George W. Bush and congressional Democrats headed toward a collision over Iraq on Tuesday as each held firm on a funding bill that has become a battleground for the future of the war.

Reuters - The top U.S. envoy at the United Nations said on Tuesday that Iran's latest statement on its nuclear program made it likely the U.N. Security Council would impose further penalties against Tehran.

Reuters - U.S. and Iraqi forces backed by attack helicopters fought gunmen in Baghdad in a day-long battle on Tuesday, in the fiercest fighting in the capital since a major security crackdown was launched in February.

NASSAU (Reuters) - A former boyfriend, Larry Birkhead, was identified on Tuesday as the father of Playboy Playmate Anna Nicole Smith's 7-month-old daughter after DNA test results were released by a Bahamas court.

CASABLANCA (Reuters) - Three suspected suicide bombers blew themselves up on Tuesday following a police raid on a house in a Casablanca slum in which a fourth man was shot dead, police sources said.

WASHINGTON (Reuters) - Attorney General Alberto Gonzales received a subpoena on Tuesday from a U.S. congressional panel for documents related to the firing of federal prosecutors, a controversy that has prompted calls for his resignation.

WASHINGTON (Reuters) - The White House threatened on Tuesday to veto a new bid to lift President George W. Bush's restrictions on federal funding of stem cell research as the Senate began considering the bipartisan bill.

WASHINGTON (Reuters) - The United States should try to steer China onto a path that protects U.S. interests by working to integrate the rising power into the international community, the Council on Foreign Relations said on Tuesday.

AP - Larry Birkhead is the father of Anna Nicole Smith's baby, according to DNA tests, and the late reality TV star's former boyfriend emerged from a court hearing Tuesday to proclaim that his daughter would soon be home.

AP - Two students were shot Tuesday inside a Chicago public high school on the city's South Side, police said.

AP - Stocks edged higher Tuesday as investors refrained from major moves ahead of first-quarter earnings reports that began with Alcoa Inc.'s results after the closing bell. A modest increase in the Dow Jones industrials marked the eighth-straight win for the blue chip index, its first such streak since 2003.

AP - Roger Goodell cracked down Tuesday on the player misconduct that's plagued his first seven months as NFL commissioner, suspending Tennessee's Adam 'Pacman' Jones for the 2007 season and Cincinnati's Chris Henry for eight games.

Reuters - A former boyfriend, Larry Birkhead, was identified on Tuesday as the father of Playboy Playmate Anna Nicole Smith's 7-month-old daughter, Dannielynn, after DNA test results were released by a Bahamas court.

Reuters - Three suspected suicide bombers blew themselves up on Tuesday following a police raid on a house in a Casablanca slum in which a fourth man was shot dead, police sources said.

Reuters - Attorney General Alberto Gonzales received a subpoena on Tuesday from a U.S. congressional panel for documents related to the firing of federal prosecutors, a controversy that has prompted calls for his resignation.

Reuters - The White House threatened on Tuesday to veto a new bid to lift President George W. Bush's restrictions on federal funding of stem cell research as the Senate began considering the bipartisan bill.

Reuters - The United States should try to steer China onto a path that protects U.S. interests by working to integrate the rising power into the international community, the Council on Foreign Relations said on Tuesday.

WASHINGTON (Reuters) - Search engine Google and the U.S. Holocaust Memorial Museum launched an online mapping project on Tuesday to provide what the museum said was evidence of atrocities committed in Sudan's western Darfur region.

WASHINGTON (Reuters) - U.S. President George W. Bush and congressional Democrats headed toward a collision over Iraq on Tuesday as each held firm on a funding bill that is at the center of feuding over the future of the war.

AP - Democrats subpoenaed Attorney General Alberto Gonzales for more documents Tuesday, escalating their fight with the Bush administration over the firings of eight U.S. attorneys.

AP - A raging, daylong battle erupted in central Baghdad on Tuesday and four Iraqi soldiers were killed, 16 U.S. soldiers were wounded and a U.S. helicopter was hit by ground fire at the close of the second month of the massive security crackdown on the capital.

AP - DNA tests prove it: Larry Birkhead is the father of Anna Nicole Smith's million-dollar baby.

AP - A high school student passed a handgun to a classmate inside a Chicago classroom Tuesday when it accidentally discharged, striking both in the leg, police said.

AP - NASA will try to launch Atlantis on the first space shuttle mission of the year in early June, almost three months later than originally planned, so that technicians can finish repairing its hail-damaged fuel tank, officials said Tuesday.

Reuters - Search engine Google and the U.S. Holocaust Memorial Museum launched an online mapping project on Tuesday to provide what the museum said was evidence of atrocities committed in Sudan's western Darfur region.

Reuters - U.S. President George W. Bush and congressional Democrats headed toward a collision over Iraq on Tuesday as each held firm on a funding bill that is at the center of feuding over the future of the war.

HOUSTON (Reuters) - U.S. space tourist Charles Simonyi said he was 'blown away' by his trip to the International Space Station, while astronaut Michael Lopez-Alegria said he was ready to go home after nearly seven months on the orbiting outpost.

AP - John McCain, his presidential bid faltering and his support for the unpopular Iraq war unflinching, is seeking to convince Americans that the conflict is 'necessary and just.'

AP - The nation's Roman Catholic bishops and religious orders received 714 clergy sex abuse claims in 2006, the second consecutive year that the number of allegations has dropped, according to a new report on the church's child protection reforms. The vast majority of claims date back decades.

AP - Staples Inc. Chairman and CEO Ronald Sargent received compensation that the company valued at $9.92 million in 2006, a year when the nation's largest office products supplier moved into new North American markets and began to turn around lagging results in Europe, according to an analysis of a regulatory filing Tuesday.

Reuters - U.S. space tourist Charles Simonyi said he was "blown away" by his trip to the International Space Station, while astronaut Michael Lopez-Alegria said he was ready to go home after nearly seven months on the orbiting outpost.

SEOUL (Reuters) - North Korea, told it can soon receive its assets frozen at a Macau bank, said it could start shutting down its main reactor but will likely miss a Saturday deadline to do so, NBC news reported on Wednesday.

HAVANA (Reuters) - Convalescing Cuban leader Fidel Castro accused U.S. President George W. Bush on Tuesday of protecting a Cuban exile wanted by Venezuela for the bombing of a Cuban jetliner 30 years ago.

AP - Servicemembers and their dependents could pay no more than 36 percent annual interest on payday loans, vehicle title loans and refund anticipation loans under a preliminary draft of a law intended to stop high-interest loans to the military.

Reuters - North Korea, told it can soon receive its assets frozen at a Macau bank, said it could start shutting down its main reactor but will likely miss a Saturday deadline to do so, NBC news reported on Wednesday.

Reuters - Convalescing Cuban leader Fidel Castro accused U.S. President George W. Bush on Tuesday of protecting a Cuban exile wanted by Venezuela for the bombing of a Cuban jetliner 30 years ago.