GOP Presidential Debate on the economy (19 images)

Tom Walker of Brookline, New Hampshire holds a sign in support of Republican Presidentail candidate Herman Cain on College Green before the start of the Bloomberg/Washington Post Republican debate at Dartmouth College in Hanover New Hampshire on October 11, 2011. UPI/Matthew Healey

Flanked by large images of former President Ronald Reagan, the 2012 Republican presidential candidates speak during a presidential debate sponsored by Bloomberg and The Washington Post held at Dartmouth College in Hanover, New Hampshire, U.S., on Tuesday, Oct. 11, 2011. The event moderated by U.S. television talk show host Charlie Rose and featuring eight Republican candidates, presents the first debate of the 2012 political season focused solely on the economy. UPI/Daniel Acker/Pool

Mitt Romney staffer Matt Landers holds a sign for his candidate on College Green before the start of the Bloomberg/Washington Post Republican debate at Dartmouth College in Hanover New Hampshire on October 11, 2011. UPI/Matthew Healey