Nike isn’t the only company that’s decided to try its hand at political activism this week. On Tuesday, Levi Strauss & Co. CEO Chip Bergh published a piece for Fortuneoutlining his company’s official plans to team up with Michael Bloomberg’s “Everytown for Gun Safety” group to fund new efforts at promoting gun control legislation with other American business leaders. “I’m proud to announce,” Bergh said in the piece, “that Levi Strauss & Co. is partnering with Everytown for Gun Safety and executives including Michael Bloomberg to form Everytown Business Leaders for Gun Safety, a coalition of business leaders who believe,...