Democratic Senators message: Let us vote on Levin-Reed

Update from the Washington Post: Senators Pull All-Nighter For Debate On Iraq War

As we hit midnight, Harry Reid requested a quorum call. Because there wasn't a quorum, the Senate is now conducting a roll call vote on a motion to instruct the Sergeant at Arms to request the attendance of absent Senators. That means 51 Senators have to show up -- or the Sergeant at Arms can go get them. This forces some of the GOP Senators to be in the chamber. And, they should be. Filibustering the Iraq war votes is their idea.

Most of the Democratic Senators are speaking in front of "Let Us Vote" sign: