https://apnews.com/965a5a419ef7a1405a04bc4665dbb64c > SAN FRANCISCO (AP) — Before the pandemic, Señor Sisig food trucks were a common sight in downtown San Francisco, dishing out Filipino fusion tacos and burritos to long lines of workers who spilled out of office towers at lunch. > The trucks now are gone, forced into the suburbs because there’s practically no one around to feed in the city's center.