Secret Service agent steps in to intervene after O'Reilly shoved Marvin Nicholson while trying to get to the Senator at the end of a campaign rally in Nashua

 
Secret Service agent steps in to intervene after O
A U.S. Secret Service agent (C) steps in to intervene after Fox News Channel television talk show host Bill O'Reilly (L) shoved Democratic presidential candidate and U.S. Senator Barack Obama's National Trip Director Marvin Nicholson (R) while trying to get to the Senator at the end of a campaign rally in Nashua, New Hampshire, January 5, 2008. REUTERS/Jim Bourg (UNITED STATES)