For me, an area of moral clarity is: you're in front of someone who's suffering and you have the tools at your disposal to alleviate that suffering or even eradicate it, and you act.

Ebola has not yet come into contact with modern medicine in West Africa. But when protocols for the provision of high quality supportive care are followed, the case fatality rate for Ebola may be lower than 20 percent.

Equity is the only acceptable goal

Everybody should be interested in access to primary and secondary education for everybody.

Anywhere you have extreme poverty and no national health insurance, no promise of health care regardless of social standing, that's where you see the sharp limitations of market-based health care.

Some people talk about Haiti as being the graveyard of development projects.

In an age of explosive development in the realm of medical technology, it is unnerving to find that the discoveries of Salk, Sabin, and even Pasteur remain irrelevant to much of humanity.