Ryan Piper with the United Auto Workers continues to picket after news of a tentative contract agreement with General Motors, in Langhorne, Pa., Wednesday, Oct. 16, 2019. Bargainers for General Motors and the United Auto Workers reached a tentative contract deal on Wednesday that could end a monthlong strike that brought the company's U.S. factories to a standstill. (AP Photo/Matt Rourke)
Ray Geyser, a 21-year General Motors employee, pickets outside the General Motors Fabrication Division, Wednesday, Oct. 16, 2019, in Parma, Ohio. Bargainers for General Motors and the United Auto Workers reached a tentative contract deal on Wednesday that could end a monthlong strike that brought the company's U.S. factories to a standstill. (AP Photo/Tony Dejak)
Picketing United Auto Workers Richard Rivera, left, and Robin Pinkney react to news of a tentative contract agreement with General Motors, in Langhorne, Pa., Wednesday, Oct. 16, 2019. Bargainers for General Motors and the United Auto Workers reached a tentative contract deal on Wednesday that could end a monthlong strike that brought the company's U.S. factories to a standstill. (AP Photo/Matt Rourke)
Picketing United Auto Workers Richard Rivera, left, and Will Myatt react to news of a tentative contract agreement with General Motors, in Langhorne, Pa., Wednesday, Oct. 16, 2019. Bargainers for General Motors and the United Auto Workers reached a tentative contract deal on Wednesday that could end a monthlong strike that brought the company's U.S. factories to a standstill. (AP Photo/Matt Rourke)
Members of the United Auto Workers continue to picket after news of a tentative contract agreement with General Motors, in Langhorne, Pa., Wednesday, Oct. 16, 2019. Bargainers for General Motors and the United Auto Workers reached a tentative contract deal on Wednesday that could end a monthlong strike that brought the company's U.S. factories to a standstill. (AP Photo/Matt Rourke)
General Motors employees picket outside the General Motors Fabrication Division, Wednesday, Oct. 16, 2019, in Parma, Ohio. Bargainers for General Motors and the United Auto Workers reached a tentative contract deal on Wednesday that could end a monthlong strike that brought the company's U.S. factories to a standstill. (AP Photo/Tony Dejak)
General Motors employees picket outside the General Motors Fabrication Division, Wednesday, Oct. 16, 2019, in Parma, Ohio. Bargainers for General Motors and the United Auto Workers reached a tentative contract deal on Wednesday that could end a monthlong strike that brought the company's U.S. factories to a standstill. (AP Photo/Tony Dejak)
Rocky Perry, a 20-year General Motors employee, pickets outside the GM Fabrication Division, Wednesday, Oct. 16, 2019, in Parma, Ohio. Bargainers for GM and the United Auto Workers reached a tentative contract deal on Wednesday that could end a monthlong strike that brought the company's U.S. factories to a standstill. (AP Photo/Tony Dejak)
Shown is a sign at a General Motors facility in Langhorne, Pa., Wednesday, Oct. 16, 2019. Bargainers for General Motors and the United Auto Workers reached a tentative contract deal on Wednesday that could end a monthlong strike that brought the company's U.S. factories to a standstill. (AP Photo/Matt Rourke)