May 16, 2018 10:04 pm San Diego Explained: Race for County Board of Supervisors' 4th District Heats Up County elections don’t usually get much attention, but this one is starting to draw eyes. NBC 7’s Monica Dean and Voice of San Diego’s Lisa Halverstadt explain. US & World Videos 1:50 San Diego Adult High School graduates celebrated in downtown ceremony 10:27 More than 90% of sex crime police reports end without convictions 2:35 San Diego County supervisors pass motion to analyze traffic and congestion reduction 4:17 New California law will remove restaurant surcharges 2:25 May gray overcast weather is typical in San Diego, but why?