AP - President Barack Obama embarked on his Europe trip Tuesday, with a hefty economic and national security agenda for his first journey across the Atlantic since taking office two months ago. The president and first lady Michelle Obama arrived in London Tuesday night local time. First up for the president was a summit of the world's economic powers to address the global financial meltdown.

AP - General Motors Corp.'s new chief executive said Tuesday that more of the automaker's plants could close and bankruptcy is "more probable" as GM works to meet new, tougher requirements for government aid. In his first news conference as CEO, Fritz Henderson said he expects the company would "need to take further measures" beyond the five plants the company said it would shutter when it submitted a restructuring plan to the government last month.

AP - Pakistan's Taliban chief claimed responsibility Tuesday for a deadly assault on a police academy, saying he wanted to retaliate for U.S. missile attacks on the militant bases on the border with Afghanistan. Baitullah Mehsud, who has a $5 million bounty on his head from the United States, also vowed to "amaze everyone in the world" with an attack on Washington or even the White House.