This president Barack Obama has done more for the LGBT community than any president in history. It's just an objective fact. And his legacy is secure in terms of the advancement of the rights of the LGBT community, from 'Don't Ask', 'Don't Tell' to his support for overturning the Defense of Marriage Act, and of course marriage equality, work on HIV and AIDS, and other things.

Historically, San Franciscans have not valued street trees as much as other communities have

But living in uncertain times does not mean San Franciscans must live in fear

While I am humbled by the widespread encouragement of so many and hold in the highest esteem those who serve us in federal office, I know that my head and my heart, my young family's future, and our unfinished work all remain firmly in the State of California - not Washington D.C. Therefore I will not seek election to the U.S. Senate in 2016.

San Franciscans know we live in the most beautiful city in the world, a jewel on the edge of the Golden Gate

San Francisco can no longer afford to be a city divided between downtown and neighborhoods, with a downtown that becomes a ghost town when workers go home for the evening

As Mayor of San Francisco, I will work hard to ensure that, in the event of natural or man-made disasters, San Franciscans are prepared and our City is protected