NEW YORK (Reuters) - Three men climbed on a New York bridge in a drunken prank on Friday, shutting the bridge, sparking an anti-terrorism response and sending the dollar down in morning trading, officials said. Police said they arrested three men in their 30s, who were caught by a police officer in the morning rush-hour after they were spotted climbing the cables of the Williamsburg Bridge that links Manhattan and Brooklyn across the East River. Anti-terrorism teams, including helicopters, radiation detection units and bomb squads -- on high alert since the Sept. 11, 2001, attacks and stepped up since the...