The power (or lack thereof) of endorsements

Carrie Dann asks: How much do presidential endorsements really matter? It's not entirely clear but what we do know is that Biden's support comes from moderate members of Congress and governors while high profile progressives back Sanders. The full episode on video is available on MeetThePress.com. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.