GOP debate: Winners and Losers

Cause of Argentine train crash unknown

Lawmakers receive suspicious letters

Syria escalates siege while outrage grows after journalist deaths

U.Va. lacrosse player guilty of killing girlfriend

Divers find 8 bodies on Costa Concordia

Santorum fights "fake" conservative charges

GOP candidates blast Obama over birth control

GOP debate fact check: Errant claims continue

1 hurt in Wash. elementary school shooting

Pakistan fires health workers tied to bin Laden kill

Capitol bomb sting suspect waives court hearing

Union sues to block Indiana right-to-work law

Lesbian federal worker wins health benefits case

FDA panel backs weight loss drug, despite risks