Creativity is not a solitary process. It happens within networks... when talented people get together, when idea systems and mentalities merge.

I have come to think we have to treat Donald Trump's tweets like Snapchat. It's just something that is going to go away. And it flies out of some region of his brain and it goes out into the ether. And usually it's on the realm of media.

I can't imagine that being in the Trump Cabinet will be a very important job. I do think this will be a White House-run administration with a teeny-tiny group of people surrounding him, including his family maybe.

Democrats in environmental agencies tend to be more sensitive to environmental harm. And Republicans tend to be more sensitive to business harm.

I generally think the president [Donald Trump] should get his Cabinet picks, unless they're egregiously out of the range, either ethically or intellectually out of the range of what's acceptable.

Economists sometimes do try to reduce behavior to law-like predictability. But people respond differently to different primes, to different contexts even from one moment to the next. We possess multiple selves that are aroused by different circumstances.

Memo to young journalists: Democratic victories are always ascribed to hope; Republican ones to rage.