Sidartha says he has a mixed feeling about public debates. When i participate one of debates, i am not trying to win the debate. I'm not trying to score points andnd come out on top on some judge's ballot. The swamp land conjecture says that not all theories of low energy particle physics that you can invent can be derived from string theory. There are millions of them, an infinite number you can easily invent. Andi’m putting in charley grover asks if there is a sort of a perametrized, finite dimensional set of theories you can derive from string theorists. Maybe we can learn something about either string theory or about nature by understanding