The point of being a teacher is to do more than impart facts, it's to shape the way students perceive the world, to help a student absorb the rules of a discipline. The teachers who do that get remembered.

The more people doubt their own beliefs the more, paradoxically, they are inclined to proselytize in favor of them.

People have been raised in a morality that says, "If it feels all right for you, it's probably OK."

The ugliness can sometimes be super ugly, but also a warning sign of something down below.

If Donald Trump is just tweeting about a union guy, then he's just being the bully we have seen. But if he uses the power of the presidency to back up some of those tweets and he's really, really coming down with a hammer on people he doesn't like using the power of the presidency, then we're seeing something very new and very different.

Of course I don't know what's going on in that meeting on in the mind of Donald Trump. But I do know one of the things President Barack Obama was struck by was how much time he spent on cyber-security as president. And one of the things he said was that, in the years ahead, the next president will be spending even more time. And cyber-security isn't a thing that goes away after this election. It's a constant flow.

Tim Kaine has been obviously a governor. He's been a senator. He's one of the smartest rising stars in the Democratic Party. He is very plausible as someone who could sit in and be president.