Joe Biden April 14, 2020 9:42 am WATCH: President Obama Endorses Joe Biden President Barack Obama endorsed Joe Biden in a web address on Tuesday. Biden served as Obama’s Vice President from 2008-2016. US & World Videos 18:12 Police begin to clear protesters from USC campus 2:34 Campus police union blames UCLA for violent response 3:18 USC's commencement preparation includes increased security patrol 1:56 1 person killed after car crashes into South LA church 3:30 Protest on USC campus continues ahead of graduation