NATIONAL HARBOR, MD - MARCH 08: Sporting her familiar hair flip, Callista Gingrich introduces her husband, former Speaker of the House Newt Gingrich, during the 41st annual Conservative Political Action Conference at the Gaylord International Hotel and Conference Center on March 8, 2014 in National Harbor, Maryland. The conference, a project of the American Conservative Union, brings together conservatives polticians, pundits and voters for three days of speeches and workshops. (Photo by T.J. Kirkpatrick/Getty Images)