The decision is notable because of UAW's past history as a beacon of progressivism.
Workers in Western Kentucky have some tough questions for the flashy real estate salesman and presidential candidate.
Democrats will need a campaign based on more than exposing the dangers posed by Donald Trump.
Worried union leaders say many members feel "outshouted" by powerful political voices and are showing anger by backing extreme candidates.
Clinton's passion for workers' causes, from project labor agreements to being their advocate in the White House, excited the audience.
'We said 'hell no' to $46 million in concessions: That would have put us at about $10 an hour and I'm sure they wanted the insurance and the pensions too."
"It's time to win Washington State and the rest of the West for Bernie Sanders!'
Defeating anti-worker trade pacts is a key plank in organized labor's Raise The Wage campaign: Labor is not against trade but it's against unfair trade the pacts create.
AFL-CIO President Richard Trumka challenged Donald Trump's appeal to working class voters.
"Without a countervailing pull of authentic engagement, the appeal of right wing rhetoric will continue."