Republican presidential candidate, former Massachusetts Gov. Mitt Romney, is introduced by Sen. Rob Portman, R-Ohio, at his campaign headquarters in Charleston, S.C., Thursday, Jan. 19, 2012. (AP Photo/Charles Dharapak)(AP Photo/Charles Dharapak)
Sen. Rob Portman, R-Ohio, said Romney does not have to win Ohio to win the presidency, but said that it was preferable on ABC’s This Week. Read the full transcript here.