Herman Cain on Monday at the Tampa Convention Center. Mark Memmott/NPR hide caption
Herman Cain Herman Cain
Beth Myers, who leads Mitt Romney's search for a running mate, tweeted a less-than-random assortment of Republican politicians on Friday afternoon. twitter.com/bethmyers2012 hide caption
Don't worry, the rabbit's OK, says Herman Cain. It's taxes on businesses that he thinks are too painful. CainConnections hide caption
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
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
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
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
Republican presidential candidate Herman Cain on Thursday in Murfreesboro, Tenn. Mark Humphrey/AP hide caption
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
Herman Cain leaves the Big Sky Diner on Nov. 10, 2011 in Ypsilanti, Mich. Scott Olson/Getty Images hide caption