San Francisco Mayor Gavin Newsom has snagged some high-profile support for his nascent California gubernatorial bid, but he may have some trouble with the transit-riding, congestion-weary constituency. My colleagues Matthew Roth and Bryan Goebel have the story over at Streetsblog San Fran: San Francisco Mayor Gavin Newsom Photo: Gawker Mayor Gavin Newsom has been quietly […]