Bernie Sanders supporters still optimistic ahead of CA primary

SAN FRANCISCO (KGO) -- A few decades ago, they might have called Bernie Sanders' quick appearance in San Francisco's Mission District as a whistle-stop. But with California's primary 24 hours away, as Wayne Freedman reports, Sanders' supporters still feel optimistic. Watch the full report in the video above.

RELATED:Bernie Sanders San Francisco concert draws thousands

RELATED: AP reports Hillary Clinton has delegates to secure nomination

RELATED: Bay Area voting guide: June 7, 2016

For full coverage on the presidential election, click here.