he's speaking on it with jj abrams. thorne, a huge astrophysicist as well.rlie: great to see you. thank you for joining us. see you next time. ♪ >> "big problems/big thinkers" is brought to you by cisco. there has never been a better time to change the world. ♪ terre: we asked some of the best minds in the world from business, government, the arts, and academia, what are the most urgent problems facing humanity, and how do we solve them? the result is "big problems/big thinkers." >> what is the number one major problem facing mankind? >> i think it is the lack of education. >> politics has been getting dumber and dumber. >> there is a balance of green spirit. >> if we don't have a more sustainable way --