Reuters) - U.S. Democrat Hillary Clinton on Wednesday broke her silence over a budding controversy involving her use of personal email for work when she was secretary of state, saying she wanted the U.S. State Department to release them swiftly. Clinton's statement was aimed at cooling a political firestorm over allegations that she inappropriately used her personal email for work while secretary of state from 2009 to 2013. "I want the public to see my email," the potential 2016 presidential candidate said in a tweet. "I asked State to release them. They said they will review them for release as...