The story

Frustrated by Republican efforts to block votes on bringing American combat troops home from Iraq, Senate Democratic leaders rolled out sleeping cots Tuesday for an all-night debate on the war.

Democratic Senate Majority Leader Harry Reid called the overnight session to highlight a GOP filibuster preventing the Senate from voting on an amendment to the Defense Authorization bill that would bring U.S. combat troops home by next spring.

"Republicans are using a filibuster to block us from even voting on an amendment that could bring the war to a responsible end," Reid said on the Senate floor Tuesday after Republicans had blocked a request for unanimous approval of the measure. Read full article »

CNN's Dana Bash contributed to this report.

All About U.S. Senate • Iraq War