Supervisor David Chiu asks Chris Armentrout a question as he makes remarks before the SF Supervisors' committee hearing on family flight from San Francisco. The San Francisco Board of Supervisors held a special committee hearing on family flight and why so many families with young kids are fleeing San Francisco at City Hall in San Francisco, Calif, on Thursday, March 8, 2012. Photo: Carlos Avila Gonzalez, The Chronicle
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