NBC Bay Area News Now September 21, 2021 9:39 am NBC Bay Area News Now, September 21, 2021 US & World Videos 3:23 UC Davis finds brain sizes are growing 3:36 Waymo expands driverless taxi service 5:21 A closer look: 2 police officers shot, injured in San Jose 1:26 Pursuit standoff ends in the North Bay 2:40 Pro-Palestinian protests continue at UC Berkeley