Obama: U.S. can't afford to extend tax cuts for rich

BP and partners trade blame for oil spill

Florida pastor not backing down on Koran-burning

Seven Mexican gunmen arrested in migrant massacre

Special Report: The Tea Party goes to school

Fidel Castro says Cuban model no longer works

Pakistan to charge three men in Times Square plot

Google seeks to speed up Web searches

UK extradition review to scrutinize U.S. requests

China-U.S. ties improving, Hu tells White House team