Afghan President Hamid Karzai was on the verge of becoming a pariah only weeks ago. But after his trip to Washington, he leaves as a crucial and trusted US ally once again.

NASA has cleared the space shuttle Atlantis for its final launch Friday. The space shuttle program is set to be retired this year.

L.A. Has voted to boycott Arizona because of its immigration law, and the UN has suggested it could violate human rights. Will any of this matter to Arizonans?

AP - The nation's most influential small business lobby is joining a court challenge to President Barack Obama's health care overhaul, arguing that Americans cannot be required under the Constitution to obtain insurance coverage.

AP - A "black box" can reveal why an airplane crashed or how fast a car was going in the instant before an accident. Yet there are no records of a critical safety test supposedly performed during the fateful hours before the Deepwater Horizon oil rig exploded in the Gulf of Mexico.

AP - Three Pakistani men who authorities say supplied funds to Times Square car bomb suspect Faisal Shahzad were arrested Thursday in a series of raids across the Northeast as the FBI followed the money trail in the failed attack.