September 6, 2011 8:16 pm Volunteering Since 9/11 NBC Bay Area’s Brent Cannon Speaks With the President of the Hands On Network and a Bay Area Volunteer to Discuss How People are Turning the 9/11 Tragedy into a Show of Unity. US & World Videos 2:59 2 San Jose police officers shot, injured in gunbattle at hotel 1:46 Pursuit standoff causes traffic backup in Solano County 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