Montgomery County Executive Isiah "Ike" Leggett and Republican presidential candidate Herman Cain
Republican presidential hopeful Herman Cain arrives at a campaign stop in Talladega, Ala., on Friday. Its name notwithstanding, the group Americans for Herman Cain is not affiliated with the campaign. (Associated Press)
** FILE ** Businessman Herman Cain (left), former Massachusetts Gov. Mitt Romney (center) and Texas Gov. Rick Perry are pictured before a Republican presidential debate on Tuesday, Oct. 18, 2011, in Las Vegas. (AP Photo/Isaac Brekken)
Campaign buttons for Republican Presidential candidate Herman Cain are seen on sale as he campaigned in Talladega, Ala., Friday, Oct. 28, 2011. (AP Photo/Dave Martin)
Herman Cain
**FILE** Republican presidential candidate Herman Cain speaks at the Iowa Faith and Freedom Coalition presidential candidate forum in Des Moines, Iowa, on Oct. 22, 2011. (Associated Press)
Republican presidential hopeful Herman Cain has, for now at least, become the leading choice of those opposed to the front-runner. (Associated Press)
Republican presidential candidate Herman Cain addresses the crowd in front of the vacant Michigan Central Station during a campaign stop in Detroit on Oct. 21, 2011. (Associated Press)
Republican presidential candidate Herman Cain delivers a keynote address during the Western Republican Leadership Conference Wednesday, Oct. 19, 2011, in Las Vegas. (AP Photo/Isaac Brekken)
