In the end, the vote was 52-44, more than a majority but less than the 60 needed to advance under the rules in effect.

While Feingold's attempt to cut off funds is likely to recede into the background, at least for the time being, the suggestion that the Iraqis be held to account for their promises to foster democracy and strengthen their own military has wide currency within Congress.

Bush, too, has said he is willing to accept so-called benchmarks within legislation that provides the funds the Pentagon needs, although so far, he has not agreed to enforcement measures that might reduce reconstruction funds ticketed for Iraq.

That is one of the issues that is likely to surface - if it hasn't already - in secretive talks that Reid and McConnell have held in recent days with White House Chief of Staff Josh Bolten in hopes of forging a compromise war funding bill.

Warner's measure also said the United States should begin a withdrawal if the Iraqi government requests one, another idea that is quietly gaining support in Congress.

At the White House, deputy press secretary Dana Perino said: "The UN Security Council resolution, which provides the present basis for coalition forces in Iraq, has always been subject to termination by the Iraqi government. So this is nothing new."

There is relatively little controversy over the amount of money to be provided for the Pentagon, but Bush and congressional Republicans object to billions of dollars in domestic spending that Democrats favor.

Of less concern to the White House is a Democratic attempt to add a minimum wage increase to the measure. It calls for three increases of 70 cents an hour over the next two years, and would provide the first raise in more than a decade in the federal wage floor.

The debate over Iraq has dominated the work of the Democratic-controlled Congress this year, and in recent weeks, Republicans, too, have begun to show their impatience with the war.

A group of 11 moderate House Republicans met with Bush and several top advisers at the White House recently, bluntly telling him that the party's political prospects in 2008 were in jeopardy as a result of the war.

Several GOP lawmakers in both houses have said they are looking for a significant change in the war by September, signaling they could part company with the president as the 2008 election year draws close.

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