Protesters flip off cops at the Federal Building during an anti-war Gulf War protest.Protesters attack police barricades at the Federal Building during an anti-war Gulf War protest.People embrace in sorrow while listening to radio reports about the bombing of Baghdad, which had just begun, on Market Street at Gulf War protest.Police defend the federal building during a small riot at Gulf War protest.Television reporter in the middle of sit-down protest on Market Street at Gulf War protest.