By ALEXANDER BURNS
Article Reprint
Democrats will vote in six states on Tuesday, just hours after Hillary Clinton secured enough superdelegates, according to a survey by The Associated Press, to make her the party’s presumptive presidential nominee. But the focus will be on just one of those states: California, the nation’s most populous state and a liberal stronghold, where Senator Bernie Sanders is hoping to seize a victory to make the case for staying in the race until the party’s convention in July.