From the moment he walked onto the Republican debate stage in Cleveland, Sen. Rand Paul (R-Ky.) has been Donald Trump's most relentless critic. He has called him a "fake conservative," a "chameleon," a man who "buys and sells politicians." Long before former Florida Jeb Bush hit Trump with a video of his most liberal statements, Paul had his campaign team on the case. Yet in a Friday interview with Michael Smerconish, first spotlighted by Mediaite's Matt Wilstein, Paul got a chance to mock Trump's stumbling "commander in chief interview" with Hugh Hewitt. He did not take it. Instead, he defended...