Sanders supporters speak out
06:49Sanders superdelegates are beginning to say 'it's time,' now that Hillary Clinton is the presumptive nominee for the Democratic party. Senator Jeff Merkley -- a Sanders superdelegate -- joins Chris Hayes.
Sanders superdelegates are beginning to say 'it's time,' now that Hillary Clinton is the presumptive nominee for the Democratic party. Senator Jeff Merkley -- a Sanders superdelegate -- joins Chris Hayes.
