AdvertisementHistory With Cain May Pay Off For GingrichDecember 05, 2011<a href=" http://www.wnyc.org/people/anna-sale/">Anna Sale</a>facebookEmailHerman Cain, who has since suspended his presidential campaign, greets Newt Gingrich upon arriving at CNN's GOP National Security debate in Washington on Nov. 22. (Reuters /Landov)