MoveOn.org is seeking donations for a new advertisement in which it criticizes John McCainJohn McCainFrustrated Dems say Obama botched Russia response Coats: Trump seemed obsessed with Russia probe The Hill's Whip List: Senate ObamaCare repeal bill MORE for not supporting a timetable for the withdrawal of U.S. troops from Iraq.

"John McCain doesn't want a timetable," a narrator says in the ad. "He'll spend hundreds of billions of dollars more to keep our troops in Iraq for years and years."

The narrator adds that Americans and Iraqis, including Iraqi Prime Minister Nouri al-Maliki, have expressed support for a withdrawal schedule.

The Republican National Committee responded to the advertisement by saying that the liberal group and its presidential candidate, Barack ObamaBarack ObamaTrump breaks with tradition, forgoes Ramadan dinner Trump: 'Why no action' from Obama on Russian meddling? Dems look to defense bill to put pressure on Trump MORE, have been wrong to oppose the U.S. military surge.

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