Michael Tomasky: “Kamala Harris was really good Tuesday night—really, really good. She accomplished everything she needed to accomplish. She sliced and diced him. She dangled bait and he leapt at the hook. But as good as she was, Trump was more bad than Harris was good. Or maybe he was bad because she was good: That is to say, she wrong-footed him time after time after time in ways that President Joe Biden did not, throwing him off his game, staring him down, speaking directly to him, challenging him, saying ‘you’ and pointing right at him.