NBC: Sanders Declaring Victory for Influencing Most Left-Wing Dem Party Platform Ever

WELKER (voice-over): "Hillary Clinton and Bernie Sanders on the cusp of coming together. Both campaigns confirming this morning that Sanders will join Clinton on the trail in New Hampshire tomorrow. The move coming after Clinton and Democrats agreed to some of Sanders' demands on health care, education reform, and vowing to fight for his signature $15 minimum wage. On Sunday, Sanders declared victory writing we now have the most progressive platform in the history of the Democratic Party."