Protesters get pepper sprayed by the police after a demonstration got out of hand in downtown Denver, Colorado August 25, 2008. REUTERS/Mark Leffingwell (UNITED STATES) US PRESIDENTIAL ELECTION CAMPAIGN 2008 (USA) Masked protesters shout slogans near the Pepsi Center, site of the Democratic National Convention in Denver, Colorado August 24, 2008. Denver will host the upcoming convention, which begins Monday August 25. REUTERS/Damir Sagolj (UNITED STATES) US PRESIDENTIAL ELECTION CAMPAIGN 2008 (USA) An injured demonstrator gets help getting pepper spray washed out after a protest got out of hand in downtown Denver, Colorado August 25, 2008. REUTERS/Mark Leffingwell (UNITED...