please join me in welcoming president brooks. . >> thank you, susan leyall, and good morning, welcome here. before i start i want to thank our general manager leyall who has done an extraordinary job here at the san francisco puc and also i want to recognize two people that just walked in, our vice president commissioner ann (inaudible) and commissioner dennis nolan that just arrived. thank you very much. i want to echo what miss leyall said, welcome everyone to this historic summit here in san francisco. the next couple days we're going to tackle very tough issues, the issues of global warming, issues of waste water, hydropower, the electric power in the city and i'm very proud that california is leading the nation in those efforts. we're leading the nation with our u.s. senator barbara boxer, who chairs the most powerful committee of the environment and public works; our governor, arnold schwarzenegger, who is a leader in reducing green house emissions, and our legislator don perada and gerald huffman who you will hear from later on in the program, and of course our mayor, gavin new