"He's now trying to do to aids, polio and malaria what he did to Netscape."

Ouch, not even attempting to cure AIDs will go without mention of his past.

But it probably took about 10 coders at Microsoft to build IE and then package it with Windows. The problems he's trying to tackle around the world is much more challenging.

I doubt Gates is aware of this fascinating statistical truth: in the third world when you lower the death rate from disease, living standards fall and malnutrition gets worse. It's the same dynamic that sent living standards way up in the wake of the plague in europe. Living standards in much of west africa are now something like half what they were 100 years ago because medical technology keeps the death rate down.