Here’s a simple question that desperately needs an answer. Donald Trump won the Arizona primary in a landslide, 47.1 percent to Ted Cruz’s 24.9 percent, giving the GOP front-runner all 58 of that winner-take-all state’s delegates. Right now, the Cruz campaign is engaged in a “furious” on-the-ground campaign in Arizona – and in other states won by Trump, including Louisiana, Georgia and Tennessee – to convert Trump delegates into Cruz delegates on a second ballot, should there be a contested GOP convention this summer. The question is: Is this moral? Trump calls it “crooked as hell.” But let’s back up...