August 12, 2011
Republican presidential candidates, from left, former Pennsylvania Sen. Rick Santorum; businessman Herman Cain; Rep. Ron Paul, R-Texas; former Massachusetts Gov. Mitt Romney; Rep. Michele Bachmann, R-Minn.; former Minnesota Governor Tim Pawlenty; former Utah Gov. Jon Huntsman; and former House Speaker Newt Gingrich pose for a photo before the start of the Iowa GOP/Fox News Debate Thursday at the CY Stephens Auditorium in Ames, Iowa.
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Tim Pawlenty and Michele Bachmann, their presidential hopes on the line, made last-minute appeals Friday along with a slew of other Republican contenders ahead of a big weekend test in Iowa that could winnow the large field of GOP candidates. But the pack was expanding, too.