The biggest mistake Barack Obama could have made is to change quite a few things in his Afghanistan policy. He increased the number of troops and at the same time set the US withdrawal date to 2014. Now the United States has to ensure that Afghanistan does not immediately collapse after being left to itself in 2014.

Bad administration, to be sure, can destroy good policy, but good administration can never save bad policy.

You can't solve climate change by everybody individually buying a more efficient car and throwing out less stuff. You have to make national changes through national policy.

It's my policy not to review funerals.

On all basic points our policies have proved correct from the very beginning.

So far, it's weakening, not caving. But it's been a tricky policy to deflate housing, not crater it.

We're working on what the specific policy would be.

We're trying to work together to resolve policy issues.

You can like somebody without agreeing with all of their policies.

Public policy has been a passion of mine. For three decades, I've had some involvement in the political process.