California's Hair Apparent Tours Facebook 3.62K Owen Thomas 04/21/09 06:00PM Filed to: Gavin Newsom Gavin Newsom Facebook San Francisco Politics California Governor 2010 Valleywag Gel-coiffed San Francisco mayor Gavin Newsom, having made his long-expected run for governor of California official, visits Facebook headquarters in Palo Alto. (Photo by Dave Morin)