Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks at Consol Energy Research and Development Facility in South Park Township, Pa., Monday, April 23, 2012. (AP Photo/Jae C. Hong)
Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks at Consol Energy Research and Development Facility in South Park Township, Pa., Monday, April 23, 2012. (AP Photo/Jae C. Hong)