Stellantis sales woes prompt theories, worries as UAW blasts CEO Detroit Free PressUAW claims Stellantis is going back on its promise to reopen Belvidere plant WIFRUAW threatens to strike against Stellantis over stalled plans to restart Belvidere plant Chicago TribuneStellantis says union can’t strike over Belvidere, claims it hasn’t violated commitments Detroit Free PressFain rails against Stellantis over idled assembly plant at Democratic National Convention Detroit News