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.

The poorest parts of the world are by and large the places in which one can best view the worst of medicine and not because doctors in these countries have different ideas about what constitutes modern medicine. It's the system and its limitations that are to blame.

You look around the U.S., and the nature of the people who settled in New Orleans is such that you couldnt go to another part of the country and find that mixture. Thats one reason the ties are so strong.

Haiti was founderd by a righteous revolution in 1804 and became the first black republic. It was the first country to break the chains of slavery, the first to force Emperor Napoleon to retreat, and the only to aid Simón Bolívar in his struggle to liberate the indigenous people and slaves of Latin America from their colonial oppressors.

I think, sometimes, that I'm going nuts, and that perhaps there is something good about blocking clean water for those who have none, making sure that illiterate children remain so, and preventing the resuscitation of the public health sector in the country most in need of it. Lunacy is what it is.