Perhaps thousands, it is hard to tell exactly how many.
:applause:
Hundreds of protesters cross a footbridge on their way to the Pentagon to seek an audience with US Secretary of Defense Donald Rumsfeld during a protest in Washington, DC marking the third anniversary of the start of the war in Iraq. US President George W. Bush took aim at critics who say his upbeat forecasts for that country are out of touch with the bloody reality.(AFP/Getty Images/Win McNamee)
A protester displays a T-shirt before a march to protest the war in Iraq Monday, March 20, 2006, in Washington. The marches tried to deliver a mock coffin to Defense Secretary Donald H. Rumsfeld, but police kept them off Pentagon grounds. (AP Photo/Chris Greenberg)
A protester is arrested by police near the Pentagon after crossing a 5-foot barricade during a march to protest the war in Iraq Monday, March 20, 2006, in Washington. The marchers tried to deliver a mock coffin to Defense Secretary Donald H. Rumsfeld, but police kept them off Pentagon grounds. (AP Photo/Chris Greenberg)
Gordon S. Clark of Silver Spring, Md., left, and Maria Barcelona of Santa Fe, N.M., carry a mock coffin during a march to protest the war in Iraq Monday, March 20, 2006, in Washington. The marchers tried to deliver a mock coffin to Defense Secretary Donald H. Rumsfeld, but police kept them off Pentagon grounds. (AP Photo/Chris Greenberg)
Cindy Sheehan, left, and Anna White of Washington, march to the Pentagon to protest the war in Iraq Monday, March 20, 2006, in Washington. The marchers tried to deliver a mock coffin to Defense Secretary Donald H. Rumsfeld, but police kept them off Pentagon grounds. (AP Photo/Chris Greenberg)
http://news.yahoo.com/photos/ss/events/wl/031806antiwar/im:/060320/480/wx10403202035