and i will renumerate the ground rules for that at the appropriate time. with that, i turn to michael nott for the first talk. michael? >> thank you very much, harold. glad to be back to discuss some of these issues. my assignment this afternoon is to give you a bit of an overview of the policy approach of the administration to missile defense that led to the publ dags of the missile defense review report in early 2010, why i advocated what it did and a little bit about what's sense. and then my colleagues brought a lot of detail on the technological issues, pros and cons, of the systems. i was tempted to spend a little bit giving background about the subject but harold basically said, don't do that. so just to say that there has always been -- well, there's been a debate for decades about the wisdom of missile defense, putting aside the technical fisibility. in simple terms, if you and i both had missile, offense ive missiles, that could destroy each other, and each of us was confident our missiles could get through, even if we were struck first, then we