Republican presidential candidate, former Massachusetts Gov. Mitt Romney, speaks during a campaign rally at Shawnee State University, Saturday, Oct. 13, 2012, in Portsmouth, Ohio. (AP Photo/David Kohl)
Republican presidential candidate former Massachusetts Gov. Mitt Romney speaks during a campaign rally Saturday, Oct. 13, 2012, in Portsmouth, Ohio. (AP Photo/David Kohl)
Republican presidential candidate former Massachusetts Gov. Mitt Romney speaks during a campaign rally at Shawnee State University, Saturday, Oct. 13, 2012, in Portsmouth, Ohio. (AP Photo/David Kohl)
Republican presidential candidate, former Massachusetts Gov. Mitt Romney, shakes hands with supporters after speaking during a campaign rally at Shawnee State University, Saturday, Oct. 13, 2012, in Portsmouth, Ohio. (AP Photo/David Kohl)
Republican presidential candidate, former Massachusetts Gov. Mitt Romney, speaks before a large crowd during a campaign rally at Shawnee State University Saturday, Oct. 13, 2012, in Portsmouth, Ohio. (AP Photo/David Kohl)
Republican presidential candidate and former Massachusetts Gov. Mitt Romney campaigns at Shawnee State University in Portsmouth, Ohio on Saturday, Oct. 13, 2012. (AP Photo/Charles Dharapak)
Republican presidential candidate and former Massachusetts Gov. Mitt Romney campaigns at Shawnee State University in Portsmouth, Ohio on Saturday, Oct. 13, 2012. (AP Photo/Charles Dharapak)
Republican presidential candidate and former Massachusetts Gov. Mitt Romney campaigns at Shawnee State University in Portsmouth, Ohio on Saturday, Oct. 13, 2012. (AP Photo/Charles Dharapak)
Republican presidential candidate, former Massachusetts Gov. Mitt Romney, shakes hands with supporters after speaking during a campaign rally at Shawnee State University, Saturday, Oct. 13, 2012, in Portsmouth, Ohio. (AP Photo/David Kohl)