University of California Davis students protest at an “Occupy UCD” rally on campus in Davis, California in this November 21, 2011 file photo. Violent confrontations between police and protesters at two University of California campuses in recent weeks have drawn a new cadre of students into the Occupy Wall Street movement and unleashed what some historians call the biggest surge in campus activism since the 1960s. REUTERS/Max Whittaker/Files (UNITED STATES – Tags: POLITICS CIVIL UNREST BUSINESS)