Herman Cain Herman Cain

Don't worry, the rabbit's OK, says Herman Cain. It's taxes on businesses that he thinks are too painful. CainConnections hide caption

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CainConnections

Former GOP presidential candidate Herman Cain waves at a rally the College of Charleston on January 20, 2012. Comedian Stephen Colbert held the event with Cain, titled "Rock Me Like a Herman Cain South Cain-olina Primary Rally", as part of his pseudo-run for president of "The United States of South Carolina." Richard Ellis/Getty Images hide caption

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Richard Ellis/Getty Images

Comedian Stephen Colbert, left, holds a rally with former GOP presidential candidate Herman Cain at the College of Charleston in South Carolina. Richard Ellis/Getty Images hide caption

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Richard Ellis/Getty Images

Former House speaker Newt Gingrich (right) and Herman Cain during a Republican presidential debate Nov. 22, 2011, in Washington, D.C. Mandel Ngan/AFP/Getty Images hide caption

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Mandel Ngan/AFP/Getty Images

With a month to go before Iowa kicks off the 2012 election calendar, Newt Gingrich has improbably found himself as the GOP frontrunner. Charlie Neibergall/AP hide caption

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Charlie Neibergall/AP

Republican presidential candidate, Herman Cain campaigned Wednesday in Dayton, Ohio. He told a Fox News interviewer he would decide in the next week whether to stay in the GOP race. Al Behrman/AP hide caption

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Al Behrman/AP