The mystery woman identified in some news accounts as a nurse who could be seen helping Hillary Clinton after she passed out cold at the 9/11 ceremony was identified Tuesday as a former top aide who now works for a leading New York p.r. firm. Christine Falvo was a senior adviser at Foggy Bottom from July 2009 until January 2010, when Hillary was secretary of state, and also served as a special assistant to the Democratic nominee from 2001 to 2007, when Clinton was New York’s junior senator. Sources said Falvo was working as a volunteer advance person for Clinton...