That's when I feel most alive, when I'm helping people.

We've taken on the major health problems of the poorest - tuberculosis, maternal mortality, AIDS, malaria - in four countries. We've scored some victories in the sense that we've cured or treated thousands and changed the discourse about what is possible.

I've been asked a lot for my view on American health care. Well, 'it would be a good idea,' to quote Gandhi.

I critique market-based medicine not because I haven't seen its heights but because I've seen its depths.

The only way to do the human rights thing is to do the right thing medically.

That's when I feel most alive, when I'm helping people.

Haiti is always talking about decentralization and nothing has been so obvious, perhaps a weakness, as the centralized nature of Haitian society as being revealed by the earthquake. I mean, they lost all these medical training programs because they didn't have them anywhere else.