Reuters - Trade, drugs and immigration will top the agenda of U.S. Republican presidential candidate John McCain during a visit to Colombia and Mexico this week designed to showcase his foreign policy experience over that of Democratic rival Barack Obama.

Reuters - The latest U.S. natural disaster is triggering fresh rounds of concern and debate about how to repair America's aging infrastructure.

Reuters - Chances of a Democratic "dream team" with U.S. presidential candidate Barack Obama picking former rival Hillary Clinton as his running mate are increasingly unlikely, traders on the prediction markets are betting.

Reuters - The African Union called on Tuesday for a national unity government in Zimbabwe after the widely-condemned re-election of President Robert Mugabe in a poll scarred by violence.

AP - The Williams sisters moved closer to another Wimbledon final Tuesday, using their power tennis to cruise into the semifinals in straight sets. Defending champion and four-time winner Venus Williams beat Thailand's Tamarine Tanasugarn 6-4, 6-3, and two-time champ Serena swept 19-year-old Agnieszka Radwanska of Poland 6-4, 6-0.

AP - Angelina Jolie has checked into a hospital in the south of France where she is expected to give birth to her twins, a hospital spokesman said Tuesday.

AP - The nation's busiest airport dueled with gun rights advocates Tuesday over whether a new Georgia state law allows visitors to carry firearms at Hartsfield-Jackson Atlanta International Airport.

AP - Hezbollah instructors trained Shiite militiamen at remote camps in southern Iraq until three months ago when they slipped across the border to Iran — presumably to continue instruction on Iranian soil, according to two Shiite lawmakers and a top army officer.

AP - John McCain portrayed free trade Tuesday as a win-win proposition for the U.S. and its Latin American economic partners, but labor leaders said it's been a big loser for Rust Belt voters.

AP - Reaching out to religious voters, Democratic presidential candidate Barack Obama called for expanding President Bush's program steering federal social service dollars to religious groups and — in a move sure to cause controversy — supported some ability to hire and fire based on faith.

AP - Wall Street began the third quarter with an erratic session Tuesday as a mix of news made it clear the country is still deep in economic problems but may have some positive trends.

AP - General Motors Corp. outsells Toyota Motor Corp. in June to retain its traditional U.S. sales lead, even though GM says its sales dropped 18.2 percent for the month.

AFP - Talks between envoys of the Dalai Lama and China were expected to begin on Tuesday in Beijing more than three months after deadly unrest in Tibet overshadowed the country's Olympic build-up.