as for the cultural heartbeat of central iran i'm here to meet global water expert dr cobb a mad any he's asked me to meet him along the xi'an to root out the river which gave birth to this ancient city. i don't from a danny this is not at all what i was expecting what happened to the famous life giver rude for the past few years we have been seeing you like this once of the flu every year and the rest is what it's all for show your good river. these massive cracks that we're seeing in this one flowing thousand year old river this is a manmade problem. unfortunately yes i'm not i'm not saying that nature had no effect on this we have exhausted the water upstream and this is what we're left with what is the water upstream been used for mostly agriculture. nationally we use more than ninety percent of the water in the x. factor. that's common in the dry areas of the world where you want to produce food . were you are gate you run out of water and that's a general rule this is really a symbol of what is happening at a larger scale at a national scale in this country and what is happenin

dr. william cobb school and i think you will be sorley missed but actually greatly needed also in other communities. it was wonderful seeing you on our cuba trip and a special surprise to see you during dinner. just your smiling face. and actually, i think what we haven't mentioned is how many times you have come before the board of education as a teacher during public comment to advocate for your children and for the community that you serve. thank you for your dedication and again this has been a gift beyond measure to the public school children of san francisco. thank you. >> president breed: thank you. suzy, now the floor is yours. >> wowsers. thank you so much. i'm really humbled. and i want to thank you, many of you are my colleagues, my friends. i'm so honored to be here with our, is it called mayor elect, new mayor, congratulations. i also want to acknowledge the woman who made mr. bear, we don't want to leave mr. bear out here, he has been with me for 20 years and ms. denye over here made his tux today and often makes his clothes and he is well known through north beach. he has been the sa