In what must have been the six most shit-laced months of his life, Manuel Mollinedo, the executive director of the San Francisco Zoo, has resigned. Ever since Tatiana the tiger went for Carlos Sousa's jugular last Christmas, and made minor Bay Area celebrities out of the bumbling brothers Dahliwal, the San Francisco Zoo has faced "high zoo employee turnover" and "abysmal morale." Tanya McVeigh Peterson, a zoo society board lawyer will serve as interim......