Republican presidential candidates from left, former Pennsylvania Sen. Rick Santorum, Rep. Ron Paul, R-Texas, Texas Gov. Rick Perry, former Massachusetts Gov. Mitt Romney, businessman Herman Cain, former House Speaker Newt Gingrich, Rep. Michele Bachmann, R-Minn., and former Utah Gov. Jon Huntsman stand for the National Anthem before a Republican presidential debate in Washington, Tuesday, Nov. 22, 2011. (AP Photo/Evan Vucci)
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Republican presidential hopefuls warned in near unanimity against deep cuts in the nation's defense budget Tuesday night, criticizing President Barack Obama in campaign debate but disagreeing over the extent of reductions the Pentagon should absorb as part of an effort to reduce deficits and repair the frail economy.