Contra Costa County January 28, 2022 5:18 pm Potential Teacher Strike in the West Contra Costa Unified School District Hundreds of teachers in the West Contra Costa Unified School District are threatening to strike over COVID safety. Sharon Katsuda reports. US & World Videos 0:26 Kaiser Permanente data breach may have affected millions 1:35 Kari's forecast: Gradual warming trend 2:12 Pro-Palestinian protests continue to grow at Bay Area universities 1:53 Median price of Bay Area home up more than 15% from a year ago 0:42 Southbound I-680 in the East Bay reopens after weekend closure