history, and we've cut deaths by half in less than a decade. martha: it's something american children died from in the early 1700s. it was eradicated here, it is doable, and it was really under president george w. bush that this initiative began, and he continues to be a huge supporter, right? >> he really does can. america has led the way. it started under rush with the global fund in 2002, the u.s. president's ma lair what initiative. it's con continued under president obama. and president bush issued a statement yesterday talking about every american should be really proud of this. martha: i've seen the work that you all do firsthand. is it the nets that are hung over, you know, family beds in africa, or is it the medication? what's really working and changing the picture here? >> yes. this is a mosquito-borne disease, and the good thing with malaria is we have simple, proven,, cost-effective tools, a net costs only $7.