David Gregory hosts NBC's "Meet the Press" from the site of the Republican National Convention in Tampa, Fla., on Sunday, Aug. 26, 2012. (AP Photo/NBC, Virginia Sherwood)

Photo by: Virginia Sherwood

David Gregory hosts NBC's "Meet the Press" from the site of the Republican National Convention in Tampa, Fla., on Sunday, Aug. 26, 2012. (AP Photo/NBC, Virginia Sherwood)