Top San Francisco officials vowed Wednesday to crack down on corrupt city workers who shake down food operators, after the arraignments of two former health inspectors who allegedly traded restaurant food safety certifications for cash. Ajamu Stewart, 54, and Clifton Sanders, 41, are facing prison sentences of nine and eight years, respectively, on charges that they sold certifications to hundreds of restaurant workers and owners during 18 months in 2007 and 2008. Read More