Republican candidates for a U.S. Senate seat in Georgia, Johnny Isakson of Marietta, left, Herman Cain of Forest Park, right, and Mac Collins of Atlanta, reflected in the mirror on the wall, wait in the green room of WSB-TV studios before the start of a debate between the three in Atlanta, July 10, 2004.
Republican senate candidate Herman Cain held a press conference to promote advance voting after casting his ballot with his wife Gloria in McDonough, Ga., on July 13. 2004. Cain married Gloria in 1968, the year after he graduated from Morehouse college with a degree in mathematics. The couple have two children and three grandchildren.
Sarah Palin impersonator Patti Lyons, right, shares a laugh with Herman Cain in the lobby of the Marriott Wardman Park hotel during the Conservative Political Action Conference Feb. 11, 2011 in Washington, DC. In a speech on the second day of the conference, Cain declared that "stupid people are ruining America."
Herman Cain announces his run for the Republican candidate for president at a rally, May 21, 2011 in Atlanta. Though he never held public office he worked on the Bob Dole and Jack Kemp campaign in 1996, ran for president briefly in 2000 and ran for Georgia state senate in 2004.
Republican presidential hopefuls Rep. Michele Bachmann, and Herman Cain, cross paths during the taping of a radio show at the Barley House, May 31, 2011 in Concord, N.H.
Herman Cain speaks in the spin room following the Republican presidential primary debate June 13, 2011 at Saint Anselm College in Manchester, N.H. Cain repeated his earlier statements the he would be uncomfortable with a Muslim in his cabinet
Herman Cain speaks during the "'Energy Independence Day Tea Party" rally on Independence Mall in Philadelphia, on July 4, 2011.
Herman Cain talks to reporters as dozens of Tea Party supporters rally near the U.S. Capitol against raising the debt limit in Washington, July 27, 2011.
Herman Cain talks to voters from the Des Moines Register's Soapbox during the second day of the Iowa State Fair August 12, 2011 in Des Moines, Iowa. The Republican candidates attended the fair in hopes of winning the Iowa Straw Poll, but Cain finished 5th.
Herman Cain visits the Western Wall in Jerusalem's Old City, Aug. 24, 2011. It was Cain's first trip to Israel where he also attended Glenn Becks "Restoring Courage" event.
Republican presidential hopefuls, from left, Texas Gov. Rick Perry, Rep. Ron Paul, Herman Cain, and former Gov. of Utah Jon Huntsman, pose for photographs on Sept. 7, 2011 at the Ronald Reagan Presidential Library in Simi Valley, Calif., for the Republican presidential candidates debate.
Herman Cain speaks to delegates during the Republican Party of Florida Presidency 5 Convention in Orlando, Florida, Sept. 24, 2011.
Herman Cain talks with Jay Leno on the Tonight Show at NBC Studios on September 30, 2011 in Burbank, California.
After strong comeback and winning Florida's straw poll, Herman Cain makes a campaign stop and launches his new book "This is Herman Cain! My Journey to the White House," outside The Olde Blind Dog Irish Pub, Oct. 2, 2011, in Milton, Ga.
Herman Cain signs a copy of his new book for supporter Mary Wargula, of Dunwoody, Ga., Oct. 2, 2011 in Milton, Ga. Cain has written five books, two of which published during his current presidential campaign.
Republican presidential hopeful Herman Cain arrives to address the Family Research Council's Values Voter Summit in Washington on Oct. 7, 2011.
Herman Cain and former Massachusetts Gov. Mitt Romney participate in the Republican Presidential debate hosted by Bloomberg and the Washington Post on Oct. 11, 2011 at Dartmouth College in Hanover, N.H. The debate focused the discussion on the economy giving Cain an opportunity to promote his 9-9-9 plan, which was mentioned 24 times in the two-hour event.
Herman Cain announces that he is suspending his campaign as a Republican presidential candidate while his wife Gloria Cain stand behind him during the scheduled opening of a local campaign headquarters on Dec. 3, 2011 in Atlanta, Georgia. Cain had taken time to reassess the condition of his campaign "because of all this media firestorm stuff," adding, "my wife and family comes first."