SAN FRANCISCO--Caitlin Foster fell in love with San Francisco's people and beauty and moved to the city a dozen years ago.... Residents wake up to news of attacks on Asian American seniors, burglarized restaurants, and boarded-up storefronts in the city's once-vibrant downtown. San Franciscans take pride in their liberal political bent and generously approve tax measures for schools and the homeless.... Parents despaired as public schools stayed closed for most of last year as nearby districts