New York — Tesla has beaten back previous efforts by workers to unionize – but the United Auto Workers hopes a successful strike against Ford, General Motors and Stellantis could help it organize at Tesla. UAW membership has declined in recent decades, and the auto industry is moving to electric vehicles. EV battery and production plants thus far in the United States are mostly non-union. To grow, the UAW will have to make inroads at EV plants. “Tesla is the biggest threat in the long term to UAW wages and benefits. UAW doesn’t have any choice but to take on...