It's very hard to look in the mirror. We all know this. It's much easier to have illusions about yourself. And in particular, when you think, well, I'm going to believe what I like, but I'll say what the powerful want, you do that over time, and you believe what you say.

So if you look at the writings of intellectuals, there are two kinds. One said, l"Look, if we fought harder we could have won.But the others, who were way at the left, people like Anthony Lewis of the New York Times, way out in left stream, his view in 1975 was the Vietnam war began with blundering efforts to do good. But by 1969, it was clear that it was a disaster, that was too costly to us.

Adam Smith is an egalitarian, he believed in equality of outcome, not opportunity. He is an enlightenment figure, pre-capitalist. He says, suppose in England, one landowner got most of the land and other people would have nothing to live on. He says it wouldn't matter much, because the rich land owner, by virtue of his sympathy for other people would distribute resources among them, so that by an invisible hand, we would end up with a pretty egalitarian society. That is his conception of human nature.

It also seems beyond controversy that moral responsibilities are greater to the extent that people "have the resources, the training, the facilities and opportunities to speak and act effectively."

If we move toward the weaponisation of space, we can bid farewell to the planet. The chances of survival are very slight.

What happened in Syria was, President [Barack] Obama had made a statement announcing what he called his "red line": You can't use chemical weapons, you can do anything else but [use] chemical weapons.

There are real possibilities of reaching many of the Trump voters: many of them in fact voted for Obama, believing his rhetoric about "change," and upon realizing that they were deluded, have turned to Trump. And will find that they are again deluded. That's an opportunity that can be grasped, by organizing, education, activism right now.