i want to thank my cabinet colleague, secretary of energy ernie moniz, who was indispensable in his knowledge and technical expertise to be able to sit down and work through some very complex issues. his background as a nuclear scientist and his expertise was essential in helping us to arrive at this moment. i also want to particularly thank my colleague at the state department, the undersecretary of state welcome backty sherman. wendy sherman. she has been absolutely superb, indefatigable, organized, strong, clear, visionary, and we are grateful. i also want to thank the remarkable team of experts who haven't slept in days, who have kept working, who have chased down numbers on, you know, instand tape yous call at any -- can instantaneous call at any hour, and that goes for the team back home in the united states in the lahr stories, in the -- in the laboratories, in the white house, in the state department, all of whom have contributed to our ability to be able to know what we are doing and to be able to put this initial agreement together. now, i want to thank the delegations also from the