![Autoworkers picket line at Bolingbrook, Illinois, GM plant was reinforced by Steelworkers Oct. 5. As bosses force longer strike, UAW strikers need solidarity to stand up to auto barons.](https://themilitant.com/wp-content/uploads/2019/10/GM8338.jpg)
UAW strike against GM is battle for all workers
Back fight to end bosses use of temps, two-tier pay
FLINT, Mich. — So many drivers were honking their horns in solidarity that at times it was hard to carry on a discussion on the United Auto Workers picket lines at the General Motors plants here during an Oct. 5-6…