In the months ahead, lawmakers will vote repeatedly on whether US troops should stay and whether Bush has the authority to continue the war. The Democratic strategy is intended to ratchet up pressure on the president, as well as on moderate Republicans who have grown tired of defending Bush administration policy in a deeply unpopular war.

"I feel a direction change in the air," said Rep John Murtha, D- Pennsylvania, chairman of the House panel that oversees military funding.

Democrats looked to the upcoming votes after losing a bruising battle with Bush on an emergency war spending bill. Lacking the two-thirds majority needed to overcome another presidential veto, Democrats dropped from the legislation a provision ordering troops home from Iraq beginning this fall.

Congress passed the revised $120 billion spending bill on Thursday, providing $95 billion for the wars in Iraq and Afghanistan through September. The House voted 280-142 to pass the bill, followed by a 80-14 vote in the Senate.

Democratic leaders said they hoped to ready the bill for Bush's signature by this Memorial Day weekend.

Democratic presidential rivals Hillary Rodham Clinton and Barack Obama both voted against the bill.

"I fully support our troops" but the measure "fails to compel the president to give our troops a new strategy in Iraq," said Clinton, D-New York.