03/28/2008 02:45 am ET Updated May 25, 2011

Clinton And Giuliani Support Down.........

National support for Democrat Hillary Rodham Clinton and Republican Rudy Giuliani significantly eroded during the past month, a USA TODAY/Gallup Poll finds. The sign of volatility in both parties comes a month before the Iowa caucuses open the presidential primary season.

Clinton's standing among Democrats dropped by 11 percentage points from early November, and Giuliani's standing among Republicans fell by 9 points, though both continue to lead their fields.

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