
Ever since I was a graduate student at the University of Chicago in October 1962, I have been interested in challenges at the global scale that could affect the future of humanity. The Cuban Missile Crisis brought home to me how vulnerable we are. Indeed it brought home that...

Ever since I was a graduate student at the University of Chicago in October 1962, I have been interested in challenges at the global scale that could affect the future of humanity. The Cuban Missile Crisis brought home to me how vulnerable we are. Indeed it brought home that...