coronavirus July 15, 2021 11:18 am Palo Alto School District Faces Legal Action Over Mask Policy A family is suing the Palo Alto Unified School District over its mask policy. Sharon Katsuda reports. US & World Videos 2:43 Report: California tourism numbers top pre-pandemic levels, Bay Area lags behind 1:08 Antioch school supervisor placed on leave after NBC Bay Area worker bullying report 3:23 UC Davis finds brain sizes are growing 3:36 Waymo expands driverless taxi service 2:32 Officials release footage of suspected vehicle involved in mail carrier robbery