Republican presidential candidate, former Massachusetts Gov. Mitt Romney waves as he arrives for a campaign rally, Tuesday, Oct. 9, 2012, in Van Meter, Iowa. (AP Photo/ Evan Vucci)

Associated Press
Republican presidential candidate, former Massachusetts Gov. Mitt Romney waves as he arrives for a campaign rally, Tuesday, Oct. 9, 2012, in Van Meter, Iowa.  (AP Photo/ Evan Vucci)
Republican presidential candidate, former Massachusetts Gov. Mitt Romney waves as he arrives for a campaign rally, Tuesday, Oct. 9, 2012, in Van Meter, Iowa. (AP Photo/ Evan Vucci)
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