"No, not at all." That was reality TV star Donald Trump's response to ABC's Martha Raddatz Sunday morning when she asked him whether he owed John McCain an apology for suggesting that the Arizona Senator wasn't a war hero because he had been captured during the Vietnam War. If you were expecting anything else from Trump, you haven't been paying much attention to his presidential campaign. Or his life. Trump's appeal in the 2016 race appears to be built on saying things and acting in ways that other politicians would never dream of doing. Trump, to his credit, appears to...