L-R, SupervisorMalia Cohen, Mayor Ed Lee and Police Chief Greg Suhr laugh as they address the crowd at Mendell Plaza in San Francisco, Calif., on Tuesday, August 7, 2012. The mayor and police chief made appearances in the Bayview Tuesday, August 7, 2012, on National Night Out and promoted new policies that that help neighborhoods be safer. Lee and Suhr said they will use real-time data to move officers where they are most needed and coordinate with local ministers to take tips that could help curb violence primarily in Visitacion Valley and other violent neighborhoods. Photo: Carlos Avila Gonzalez, The Chronicle
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