BEAVERCREEK, Ohio - After a military mother told him her daughter doesn't understand her mission in the Air Force, Mitt Romney questioned how President Obama can "sleep at night," knowing troops overseas don't understand "precisely what they're doing there." "If your daughter is not familiar with the mission that she's on, how in the world can the commander in chief sleep at night, knowing that we have soldiers in harm's way that don't know exactly, precisely, what it is that they're doing there," Romney said. Vicki Chura, from Fairfield, Ohio, was one of several people who stood to ask Romney...