Riot policeman push back demonstrator as police block bridge into downtown St. Paul close to Republican...
A riot policeman uses a bicycle to push back a demonstrator as the police block a bridge into downtown St. Paul to keep protesters from getting close to the 2008 Republican National Convention in Minnesota, September 4, 2008. REUTERS/Damir Sagolj (UNITED STATES) US PRESIDENTIAL ELECTION CAMPAIGN 2008 (USA)
