A demonstrator taking part in a street protest wears a Guy Fawkes mask through uptown Charlotte, the site of the Democratic National Convention in North Carolina on September 5, 2012. Forecasts of thunderstorms put a crimp on U.S. President Barack Obama's nomination party, forcing Democrats on Wednesday to move his planned acceptance speech from a 74,000-seat outdoor football stadium to a much smaller indoor venue. REUTERS/Adrees Latif (UNITED STATES - Tags: POLITICS ELECTIONS CIVIL UNREST)