57% against 43% for Romney.
UPDATE from Somitr Mathur:
8:36 am on October 23, 2012 Email Llewellyn H. Rockwell, Jr.
Did you notice that after Obama painted himself as more of a warmonger last night, his chances of winning dropped from 60%+ to around 57% on intrade, while Romney the “all of the sudden sort of peacenik” went up to 43%? This really shows that the (perceived) peace candidate usually wins.