Extending his noxious return to public life, Kanye West appeared in a Super Bowl ad on local TV stations Sunday night to promote a website selling swastika T-shirts. The bizarrely un-cinematic spot, shot in a vertical format with an iPhone, featured West (who calls himself Ye) reclining in a dentist’s chair. “I spent, like, all the money for the commercial on these new teeth,” he explains. “Um … um … um … go to Yeezy.com.” Visitors on Monday to Yeezy.com, which sells merchandize for West’s fashion brand, could buy only one product: a white T-shirt emblazoned with a large black...