and now, please join me in welcoming the mayor of our great city the honorable edwin m. lee (applause) . . >> thank you very much mr. davis for that introduction, happy valentine's everybody ... >>> (applause) . >> wow what a wonderful occasion. i mean how can you be today valentine's day in a room full of heros on the field of heros yeah (applause) in the innovation capital of the world the world class city of san francisco congratulations everybody for being a hero today. you know the san francisco hospital foundation the general hospital foundation has been such a wonderful wonderful entity and i want to just thank stephanie your leadership, i want to thank julie and rich at the board with all of the other board members, the staff at the hospital, all of the staph, you know sometimes the doctors have to do it's emergency work but what makes that whole hospital run is literally everybody that works at the hospital from the social workers to the accountants to the administrators to the nurses, and nurse practitioner and is the doctors and all of the fundraisers thank you ev

and now, please join me in welcoming the mayor of our great city the honorable edwin m. lee (applause) . .