Former President Barack Obama played a direct role in the hardships of the workers featured in American Factory, the Oscar-winning documentary his new production company produced. But as Rep. Mike Turner (R-OH), the former mayor of nearby Dayton, Ohio, wrote last year, the movie leaves out President Obama’s own role in making life worse for the GM workers who lost their jobs. Obama’s auto bailout, he recalled, helped force the plant’s closure and made it harder for the workers to find new jobs because his administration was dealing political favors to its favored union allies — and they were in...