Despite new guidance from the Centers for Disease Control and Prevention, allowing vaccinated people to go maskless in most settings, California won’t change its current mask mandates until the state’s scheduled reopening on June 15th.  Since the pandemic began, workers in the grocery delivery business have been trying to organize to get more protections and benefits. Workers at the venture capital-backed Bay Area company, Imperfect Foods just voted to form a union, but it's likely not a model for the rest of the industry.  Reporter: Sam Harnett, KQED The University of California says it’s one step closer to requiring COVID-19 vaccination of students and employees who want to return to campus in the fall.  Reporter: Adolfo Guzman-Lopez, KPCC Two out of three Californians believe businesses like concert venues and sports stadiums should be allowed to verify their customers’ vaccination status before allowing them to come in. That’s according to a new U.C. Berkeley poll.  Reporter: April Dembosky, KQED San Francisco is suing the state of California because regulators would like the region to forfeit some of its water supply. The State Water Board would like to see more water flow down the Tuolumne River and not stored in reservoirs. Reporter: Ezra David Romero, KQED Learn more about your ad choices. Visit megaphone.fm/adchoices