Joe Biden joined the United Auto Workers on a Detroit picket line, a historic first for a sitting President. Thousands of workers have voted in favor of unions at Amazon and Starbucks, and public support for unions approaches an all-time high. But the share of workers represented by a union declined last year. Why isn't unionization growing? Minnesota AFL-CIO President Bernie Burnham, University of Minnesota Law School Professor Charlotte Garden, and Kathy Megarry, the Vice President of Human Resources & Labor Relations, discuss in a conversation moderated by University of Minnesota History Professor Will Jones.