David Chiu, left, announces his mayoral candidacy Feb. 28, 2011 as Supervisor Eric Mar looks on...

By Luke Thomas/Fog City Journal

Supervisor Ross Mirkarimi, standing, casts his vote for Ed Lee as interim mayor Jan. 7, 2011...

By Adithya Sambamurthy/The Bay Citizen

Scott Wiener at his campaign headquarters Aug. 14, 2010...

By Courtesy of Scott Wiener

Supervisor Chris Daly calls for transparency, sporting a "Let the Sun Shine In" lapel pin...

By Luke Thomas/Fog City Journal

San Francisco Supervisors Chris Daly and David Campos, foreground, and David Chiu and John Avalos talk before the Board of ......

By Gerry Shih/The Bay Citizen