'Social Welfare' Organizations Play Big Role In Presidential Politics

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Guests stand after a Rand Paul speech at the Conservative Political Action Conference (CPAC) in Rosemont, Ill. Conservatives celebrated Tuesday's victory in Wisconsin's recall election. Scott Olson/Getty Images hide caption

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Supporters of Texas Rep. Ron Paul cheer as the Republican presidential candidate speaks on March 28 at the University of Maryland in College Park, Md. T.J. Kirkpatrick/Getty Images hide caption

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Will 2008's Surge In Young Voters Continue In 2012?

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Future U.S. senator and presidential candidate John Kerry poses with crewmates during the Vietnam War in this file photo. An attack on his service by a group calling itself the Swift Boat Veterans for Truth is remembered as a turning point in the 2004 election. But political scientists say negative ads might not be that effective. AP hide caption

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Do Negative Ads Make A Difference? Political Scientists Say Not So Much

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A voting regulations sign is displayed at the Shandon Fire Station in Columbia, S.C., on Saturday. Win McNamee/Getty Images hide caption

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'Dirty' Politics As Usual In South?

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Joe Allbaugh, left, speaks to the press in Austin, Texas, in this Jan. 4, 2001, photo after being named as director of the Federal Emergency Management Agency by then President-elect George W. Bush.

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