I think graffiti is part of Berlin culture. You think about what the Berlin wall meant and how visible that was in everyone's life. How it was a part of their very identity.

I don't see a coherent global order anywhere on the horizon.

The real question is not are there other forms of life in the universe, but are there other intelligent forms of life out there right now. Because the universe is not only really big but it's also really long. It's been around for a long time; it's going to be around for a long time.

Political scientists don't work at banks which is a problem. As political issues become more important for the markets, analysts at banks are asked all sorts of questions they don't have the ability to answer. And if you're getting paid to answer questions as analysts at banks are you never want to be in the position of saying you don't know.

In environments where corporations become too interventionist and capture regulation themselves, the government must be able to battle back so that the people have a chance.

In China, the state controls the corporations, whereas in the United States, the corporations control the state.

It's very hard for someone who makes $1,000 a year or some who makes less than $1 a day to care about the environment.