Republican presidential nominee Mitt Romney acknowledges delegates before speaking at the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Republican presidential nominee Mitt Romney acknowledges delegates before speaking at the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Republican vice presidential nominee, Rep. Paul Ryan, left and Republican presidential nominee Mitt Romney waves to delegates after his speech at the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Republican presidential nominee Mitt Romney acknowledges delegates before speaking at the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Republican presidential nominee Mitt Romney addresses delegates before speaking at the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Mitt Romney accepts the nomination as the Republican candidate for U.S. president during the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Republican presidential nominee Mitt Romney acknowledges delegates before speaking at the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Republican presidential nominee Mitt Romney hugs a supporter as he walks to the stage during the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Actor Clint Eastwood speaks to an empty chair while addressing delegates during the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Republican presidential nominee Mitt Romney acknowledges delegates before speaking at the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Republican vice presidential nominee, Rep. Paul Ryan and his wife Janna waves to delegates during the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Republican presidential nominee Mitt Romney acknowledges delegates before speaking at the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Republican presidential nominee Mitt Romney addresses delegates before speaking at the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Republican vice presidential nominee, Rep. Paul Ryan and his wife Janna wave to delegates during the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Republican presidential nominee Mitt Romney addresses the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Republican vice presidential nominee, Rep. Paul Ryan, Janna Ryan, Ann Romney and Republican presidential nominee Mitt Romney wave to the delegates during the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Republican presidential nominee Mitt Romney acknowledges delegates before speaking at the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Republican presidential nominee Mitt Romney acknowledges delegates before speaking at the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Actor Clint Eastwood addresses the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Republican presidential nominee Mitt Romney shakes hands of delegates before speaking at the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Actor Clint Eastwood addresses the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Florida Senator Marco Rubio addresses the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Republican presidential nominee Mitt Romney makes his way through delegates before speaking at the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Figure skater Scott Hamilton and other Olympians cheer after gold medalist Kim Rhode's, right, speech to delegates during the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Texas delegates fashion cowboy hats on the floor during the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Ohio delegates Becky Lynch, left, from Menton, and Lyn Bliss from Greenville react during the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Taylor Hicks sings during the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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Demonstrators chant during a protest march while using a puppet in the likeness of Mitt Romney, Thursday, Aug. 30, 2012, in Tampa, Fla. Protestors gathered in Tampa to march in demonstration against the Republican National Convention.

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Ohio delegate Lyn Bliss, right, from Greenville watches a video presentation during the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012.

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