professors at uc berkeley did a study in a book called future babble calledby dan gardner. he told 28,000 forecasts. the average accuracy the same as monkeys. >> across all disciplines? not just these pun dits you see on t.v.? >> yes. >> predicting the future? >> cnndits you see on t.v.? >> yes. >> predicting the future? >> cnn,. they are about as accurate as monk earnings good at telling you what happened and terrible at telling you what happened. if you want to saul any of the world's large problems whether it's energy and we can talk about energy health. we can talk about food obesity all of those things. best thing to do is rely on young technologists, young scientists to invent the future we need. almost anything we want can be invented. since we started with green, it's almost career now we can produce oil that's renewable about the same price, maybe even cheaper than deep offshore drilling or the dirty i am sands in canada. it's clear we can double the efficiency of engines. so we use half as much oil and most of that half, we can produce what out defying the laws of