May 2, 2011 11:30 am Baca: “If You See Something, Say Something” Los Angeles County Sheriff Lee Baca says public participation is needed to prevent any violent acts. US & World Videos 3:33 Crowd of protesters grow at UCLA despite order to disperse 3:33 Call for national, state and local response to campus unrest 2:51 Wife of deputy shot at West Covina stop light speaks on his recovery 1:36 Arizona Senate repeals 1864 abortion ban 1:10 Interesting facts you never knew about the Kentucky Derby