San Diego voters head to the polls for California primary

Tuesday marks the last day of voting in California's primary election, and San Diegans are casting their ballots in key state and local races.As part of KPBS' continuing election coverage, Midday Edition checks in on how voting is going in San Diego County.Then, two political scientists break down some of the competitive local races and the issues at the forefront of voters' minds.Guests:Tammy Murga, environment reporter, KPBSBrian Adams, political science professor, San Diego State UniversityRic Epps, political science professor, Imperial Valley CollegeResources:KPBS Voter Hub