when we gave money to mobutu say "are you spending it well?" >> rose: or are you putting in the a swiss bank account. >> yes. even in the case of egypt did we say well, is their system really good? is it operating to provide actual jobs to those people or is it rather creating some sense of hey, i don't have a job, how should i feel about my regime? how should i feel about the bankroller of my regime? >> rose: finally, when you look at this third report that you have written, what's the proudest achievement and what's been the biggest disappointment. >> well, i think the lives saved with vaccines would be at the top of the list. meeting with these scientists who have been empowered to do their work can be a close second on that. a lot of that is still in the pipeline. >> rose: the fact that you made grants to people to come up with ideas that we can support. >> right. so i think we will have a malaria vaccine but it's not there yet. the biggest disappointment is that i was naive about how slow, how complex these things are. certainly we spent a