I'm not an austere person.

But if you're asking my opinion, I would argue that a social justice approach should be central to medicine and utilized to be central to public health. This could be very simple: the well should take care of the sick.

You can't have public health without working with the public sector. You can't have public education without working with the public sector in education.

I can't think of a better model for Haiti rebuilding than Rwanda.

So I can't show you how, exactly, health care is a basic human right. But what I can argue is that no one should have to die of a disease that is treatable.

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.