![Copper workers rally at Asarco Mission mine in Sahuarita, Arizona, Oct. 19. Mine bosses are demanding workers quit union, cross picket lines in important fight in Arizona, Texas.](https://themilitant.com/wp-content/uploads/2019/10/Asarco_8340.jpg)
Support strikers at GM, Mack Truck, Asarco mines
Asarco miners fight against bosses’ union-busting drive
KEARNY, Ariz. — A battle is unfolding here in the face of the attempt by the Asarco copper bosses to break the strike that began Oct. 13 by almost 2,000 members of the United Steelworkers, Teamsters and seven other unions…