Even after a decisive victory in Oregon’s presidential primary Tuesday, the odds of Bernie Sanders becoming the Democratic nominee remain very slim. Yet, Sanders has vowed to remain in the race until the last ballot is cast. As discord grows among Democrats, the candidates look ahead to the June 7 primaries. What are Sanders’ chances of winning? Can he convert enough superdelegates to nab the nomination? We’ll hear from one California superdelegate who has been harassed by Sanders supporters for deciding to back Hillary Clinton early in 2015.