A certain former president and first lady have made their mark in Hollywood. “The Obamas settling into new role as Netflix producers,” said The Hollywood Reporter — referring of course to former President Barack Obama and Michelle Obama, who signed an exclusive production deal with Netflix some 15 months ago, then formed a Los Angeles-based production company called Higher Ground. More significantly, the couple is now readying their first release, a documentary titled “American Factory,” which chronicles the culture clash between Chinese and American workers in a U.S. auto glass factory. It is set to debut on Netflix before 139...