Jeff Schrier AP/The Saginaw News
Workers picket at GM's metal-casting plant in Saginaw, Mich. The nationwide strike threatens the company's fledgling turnaround and adds another challenge to the weakening U.S. economy. A key point of contention has been figuring out how to pay for GMs ballooning retiree healthcare benefits, which cover about 339,000 former workers and spouses.
SEE MORE GALLERIES