Yahoo! News: Republican presidential hopeful former Sen. Fred...

Summary: p Republican presidential hopeful former Sen. Fred Thompson, R-Tenn., shakes hands Robert and Dawn Ruth as he campaigns in a cafe during a walking tour of Allison, Iowa, Monday, Dec. 31, 2007. A Mason-Dixon poll showed Romney at 27 percent and Huckabee at 23 percent in Iowa, both trailed by McCain, Fred Thompson, Rudy Giuliani and Ron Paul. The polls had a margin of error of plus or minus 5 percentage points. (AP Photo/Rick Bowmer) /p

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