and we're delighted to welcome colleen nunn, as well. they have all been involved in the making of a documentary film. together with plow shares fund and it's called the nuclear tipping point, which profiles their efforts to reduce nuclear weapons and available through the stanford program on international and cross cultural education at spice.stanford.efrspice.stanfor. and our moderator, consulting professor at stanford university for international security and cooperation, and previously spent 30 years as a "new york times" correspondent specializing in national security issues. his positions at the times included serving as both washington and moscow bureau chiefs. he's the author of "the partnership, five cold warriors and their quest to ban the bomb," which profiles the work of today's panelists. we are also pleased to welcome fa lessty barringer, who is with us this evening. please welcome our guests. [ applause ] >> thank you very much, gloria. it's a real privilege to be here tonight in the company of these distinguished statesme