francisco javier diaz, who served as an adviser to the former chilean president, michelle bachelet. he's now a senior fellow at a think tank in santiago. and beatriz manz, an anthropologist and professor of ethnic studies at the university of california, berkeley. she was born in chile. nick evans, i want to start with you because you're the one that witnessed the scene. what do you think was the key to pulling this off as a technological feet? >> i think the key was that the president brought in the best experts from all over the world. there was no kind of territorialism. there was no determination that chile could do this by themselves. he's obviously well connected. francisco will know more about this than i will. but he has contacts in the u.s. we were filming with the team on plan "b" who made the successful breakthrough and they are small companies from the u.s., small family run firms that kind of actually made the difference. basically i think they just organized this very well from the... from day one. there were obviously a few hiccups along the way but in the end they ex