SAN FRANCISCO - MARCH 19:  A San Francisco Police officer warns veterans of the Iraq war that they will be arrested as they block Market Street in protest of the war March 19, 2009 in San Francisco, California. Five veterans of the Iraq war were arrested along with others after they blocked traffic in protest of the war in Iraq. The group was trying to block traffic for 71 minutes, one second for every soldier who has lost their life in the war. Getty Images logo Getty Images 8 months ago

SAN FRANCISCO - MARCH 19: A San Francisco Police officer warns veterans of the Iraq war that they will be arrested as they block Market Street in protest of the war March 19, 2009 in San Francisco, California. Five veterans of the Iraq war were arrested along with others after they blocked traffic in protest of the war in Iraq. The group was trying to block traffic for 71 minutes, one second for every soldier who has lost their life in the war.