how to save lives in Africa for $1 a year

From Jeffery Sachs in the NY Times

AMERICANS have a perfect retort to Osama Bin Laden's call for expanding the terrorism war to Sudan. We should respond by showing our abiding concern for the plight of Africans by helping to save millions of children who are at risk of death from disease. In honoring the sanctity of the lives of the least among us we have the best chance to defeat the ideologies of hate.

The rest of the article is about providing insecticide-treated bed nets for villagers in Africa that might save the lives of 200,000 kids a year who would otherwise die of malaria.
read it here.