I think the beard helps offset - it's the only hairstyle I can really pull off. But I'm often clean-shaven. I think, you know, for me, it's not that signifier. What's interesting to me though is although the beard isn't a signifier of that to me, other people very often think that it is. And so people in America might react differently. The, you know, border agents might react differently. The guys at airport security might react differently.

I think we should be prepared, given environmental and political change for large-scale migration. If sea levels rise and 200 million people in Bangladesh and 300 million people in Indonesia need to move, and the entire Chinese seaboard, New York City - that's going to be huge.

Farmers and people who make a living from the land are finding it impossible to survive. So the first step is to get out of that place. Come to the city where there are opportunities.

Four thousand years ago, we, the people of the Indus River basin, had cities that were laid out on grids and boasted underground sewers, while the ancestors of those who would invade and colonize America were illiterate barbarians.

You're a watchful guy. you know where that comes from?" I shook my head. "It comes from feeling out of place," he said. "Believe me. I know.

If we want things to be okay, we will have to make things okay.

Sometimes we are looking for somebody we can connect with on the basis of a shared past or a tradition or experience. And so finding that you're sitting next to someone very much like you in terms of where they come from is enormously reassuring.