Republican presidential candidates, from left, former Penn. Sen. Rick Santorum, Texas Gov. Rick Perry, former Mass. Gov. Mitt Romney, former Speaker of the House Newt Gingrich, Rep. Ron Paul, R-Texas, and Rep. Michele Bachmann, R-Minn, stand before a debate in Des Moines.

First published in the December 11, 2011, 7:38 a.m. edition

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