April 13, 2010 4:12 am Wakeup Workout – 24s Trainer Jeff Bomberger demonstrates how to do a cardio routine known as 24s. US & World Videos 3:37 4.1-magnitude earthquake shakes Corona 2:55 Protesters' barricades come down at UCLA following a violent night 2:56 Police putting up barricades on UCLA campus after overnight brawl 4:00 Firecrackers thrown at pro-Palestinian encampment during protester clash at UCLA 6:17 Workers' comp claim denied after nurse's coworkers fail to give CPR