A super PAC engaged in a cynical two-step designed to simultaneously discourage Arab American and Jewish voters by advertising contrasting messages about Vice President Kamala Harris’ Middle East policies is being funded by a dark-money group that is bankrolled by right-wing tech and auto industry billionaire Elon Musk, according to a financial disclosure made public on Tuesday. Here’s how it works: In areas of Michigan with large numbers of Arab and Muslim voters, Future Coalition PAC...