The Vermont senator pointed to trade deals that cost millions of manufacturing jobs as a key reason for voter disillusionment.
https://www.foxnews.com/media/bernie-sanders-admits-democrats-failed-working-class-voters-economics-driving-donald-trump
https://www.foxnews.com/media/bernie-sanders-admits-democrats-failed-working-class-voters-economics-driving-donald-trump