January 27, 2009 12:04 pm NewsConference: Jan. 25, 2009 – Seg. 3 United Teachers Los Angeles President AJ Duffy US & World Videos 2:36 Student's mother tries to stop vandalism at USC 1:41 Security guard shot outside of hip-hop executive's Encino home 3:41 Entry restricted at USC as protests continue on campus 0:44 Security guard shot at $12 million Encino home 3:26 Confrontations occur at UCLA campus amid ongoing protests