Cutbacks at postproduction facilities owned by local luminaries Francis Ford Coppola and Saul Zaentz have illuminated the struggles of the Bay Area to reassert itself as a filmmaking hub. "It's a little bit of a warning signal more than a proclamation of disaster," San Francisco director Philip Kaufman said of layoffs at the Saul Zaentz Film Center in Berkeley and the closure of Coppola's American Zoetrope in San Francisco. Carla Meyer reports for the San Francisco Chronicle.