LOS ANGELES (AP) — Tens of thousands of workers in the Los Angeles Unified School District walked off the job Tuesday over stalled contract talks, and they were joined by teachers in a three-day strike that shut down the nation’s second-largest school system. ”The union says district support staffers earn, on average, about $25,000 per year and many live in poverty because of low pay or limited work hours while struggling with inflation and the high cost of housing in LA County. Carvalho said the district has offered a wage increase totaling more than 20% over a multiyear period, along with a 3% bonus