Donald Trump’s selection of CKE CEO Andy Puzder to lead his Labor Department has incited a tantrum on the left, which is a good sign. The burger maven once told us that he often picked up litter around his restaurants, and departing chief Tom Perez is leaving plenty to clean up. Mr. Puzder, who often writes for these pages, has expertise in labor law and business. Prior to becoming CEO at CKE, he was the company’s general counsel and helped save the business from bankruptcy. CKE restaurants (Hardee’s and Carl’s Jr.) employ 75,000 workers in the U.S., and it’s not...