(The Center Square) – San Francisco police — formerly led by Los Angeles District Attorney George Gascon — formally endorsed his challenger, Nathan Hochman, through their association, citing the damage to San Francisco when Gascon was the city’s police chief and later, district attorney. “We lived through Gascon’s tenure as District Attorney in San Francisco, where he left us with skyrocketing crime and the nation’s largest open air drug market,” said Tracy McCray, president of the San Francisco Police Officers Association. “We urge you to reclaim your community’s safety by voting for Nathan H…