Democratic presidential candidate Bernie Sanders proclaims "We are going to fight hard to win the primary in Washington, D.C., and.then we take our fight for social, economic, racial and environmental justice to Philadelphia, Pennsylvania," the site of the Democratic National Convention at the Barker Hanger in Santa Monica, California on June 7, 2016. Despite Hillary Clinton claiming the Democratic nomination for president and heading for an apparent victory in the California primary, a defiant Sanders told supporters he will continue fighting "for every vote and every delegate we can get." Photo by Jim Ruymen/UPI