US STOCKS-Futures up after Bullard comment, weak dollar

07:40 AM ET * Crude oil rises as U.S. dollar falls * Bullard says Fed should keep MBS program longer * Futures up: S&P 11.5 pts, Dow 95 pts, 17 pts *(Adds quote, updates prices) By Ryan Vlastelica NEW YORK - U.S. stock index futures rose about 1 percent...