Republicans decide to punish the troops for their failures
Late Update: The roll call is here, and it confirms that the only change in voting was that John Warner decided to vote against it this time, a change that was offset by Dem Tim Johnson's return into the Senate. Also, GOP Senators David Vitter and Sam Brownback, who were no-shows last time, showed up to vote no this time."
Bottom line: Not a single Republican moved from the No to the Yes column. In fact, the only Republican movement was towards the "No" column. As Atrios put it, "welcome to September.