San Francisco March 14, 2024 11:28 am Pi Day celebrations at the Exploratorium in San Francisco The earliest official pi celebration has special roots to the Bay Area, specifically San Francisco. Ginger Conejero Saab reports. US & World Videos 2:54 In the news: Cybertruck vandalism, VTA partially reopens lines, FIFA World Cup poster 3:31 Checking in on California's water supply 8:08 Otter.ai CEO Sam Liang 6:02 Five Star Bank's DJ Kurtze 2:59 In the news: Deadly earthquake, car insurance premium, Dubs Talk with Draymond Green