Republican presidential candidate Mitt Romney walks Oct. 17, 2012, with comedian Dennis Miller (left) and senior adviser Barbara Comstock before boarding his campaign plane in Ronkonkoma, N.Y. (Associated Press)

Photo by: Charles Dharapak

Republican presidential candidate Mitt Romney walks Oct. 17, 2012, with comedian Dennis Miller (left) and senior adviser Barbara Comstock before boarding his campaign plane in Ronkonkoma, N.Y. (Associated Press)