A single agency responsible for systemic risk would be accountable in a way that no regulator was in the run-up to the 2008 crisis. With access to all necessary information to monitor the markets, this regulator would have a better chance of identifying and limiting the impact of future speculative bubbles.

I'm a straightforward person. I like to be direct with people.

Even if you don't have the authorities - and frankly I didn't have the authorities for anything - if you take charge, people will follow.

There are some things that you can work on immediately.

Every global concern - economic, environmental or security-related - can be addressed more effectively when the U.S. and China work together.

I have relied on prayer for health care all of my life.

One of the things I enjoy the most is fishing.