AdvertisementSan Francisco Youth Sanctuary Law Prompts BattleNovember 04, 2009Richard GonzalesfacebookEmailSan Francisco Mayor Gavin Newsom walks at the main Zocalo square in Mexico City after a meeting in August with that city's mayor, Marcelo Ebrard. Newsom is battling with San Francisco's local government on the city's sanctuary status for young undocumented immigrants. (AP)