If there is a series of attacks like that or, God forbid, if ISIS is really sending soldiers across Europe and maybe across the world for a barrage of these things, then the political climate is revolutionized here. And maybe the [Donald] Trump speech will look like a precursor to a climate that we're all about to walk into.

Maybe you're willing to tolerate a lot of bigotry from Donald Trump if you say, just change things, just change things.

We shouldn't just allow gay marriage. We should insist on gay marriage. We should regard it as scandalous that two people could claim to love each other and not want to sanctify their love with marriage and fidelity.

I'm a little uncomfortable with the idea of judges overruling presidents on national security matters.

Our emotions tell us what to value. They're like a little GPS system: Go that way. Don't go that way.

If you do have to look at polls, you should do it no more than once every few days, to get a general sense of the state of the race. I've seen the work on information overload, which makes people depressed, stressed and freezes their brains. I know that checking the polls constantly is a recipe for self-deception and anxiety.

I think actually in any party it's a sign of general health to have different views, and especially on the subject of trade.