The Senate approved the House resolution allowing President Bush to attack Iraq, 77 to 23, without amendement. The House version is H.J. Res. 114, and the Senate version is S.J. Res. 45. The Clerk of the House has made available the roll call for H.J. Res. 114. The Senate roll call is also available.
The New York Times provides some reasons that the otherwise dovish Senators voted for the measure. In particular, Senator Hillary Clinton (D-New York) decided that approving the resolution was the only way to avoid war, as the President would need the resolution in order to approach the UN Security Council effectively. Senator Tom Daschle (D-South Dakota) decided that the nation must speak with “one voice” on the issue. A seperate piece theorizes that many House Democrats are in seats made safe by redistricting, and so felt more freedom to vote their conscience.
The Boston Globe adds that many opposed were concerned about the foreign policy implications in setting a precedent for pre-emptive attacks.