The United Auto Workers had worked for years to get a foot in the door of Volkswagen’s factory in Tennessee. But now workers at the plant turned down the proposal for some union representation by a vote of 712 to 626. There are questions about what’s next for a union that is now only a quarter the size it was 35 years ago. The union says it’s evaluating what it sees as outside interference in the vote and may challenge the result. Brent Snavely writes about the automotive industry for the Detroit Free Press and joined us to explain.

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