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People in red union t-shirts carry a Stand Up sign as they march throughout downtown Detroit.
UAW President Shawn Fain marches with UAW members through downtown Detroit on September 15, 2023.
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UAW
United Auto Workers members march through downtown Detroit on September 15, 2023.
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GM CEO Mary Barra and Ford CEO Jim Farley
GM CEO Mary Barra, left, and Ford CEO Jim Farley, right, appear to be at odds over the use of Chinese battery technology.
Tech Insider : Politics

Biden became the first sitting US president to appear at a picket line when he joined United Auto Workers on the 12th day of its strike. Meanwhile, Trump is skipping a presidential debate to address union workers at a Detroit rally.

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UAW strike
United Auto Workers members attend a rally in Detroit, Mich., on September 15, 2023.
Tech Insider : Politics
From left: Sen. JD Vance of Ohio, UAW President Shawn Fain, and Sen. Josh Hawley of Missouri.
From left: Sen. JD Vance of Ohio, UAW President Shawn Fain, and Sen. Josh Hawley of Missouri.
Tech Insider
UAW
United Auto Workers members march through downtown Detroit on September 15, 2023.
Tech Insider
A collage featuring photos of United Auto Workers (UAW) members, Shawn Fain, president of the United Auto Workers, and supporters holding signs during a UAW rally
For the first time in its 88-year history, the UAW is on strike at all three of the Detroit companies at once.