At the end of May, California’s oldest prison, San Quentin, had zero reported cases of COVID-19. Now, the facility has more than 1,300. Guards are falling ill. Some inmates are refusing tests, making it difficult to track the severity of the outbreak. One federal judge says the only way to save lives at this point is for the governor to approve a widespread release of inmates.  Guest: Megan Cassidy, reporter for the San Francisco Chronicle.  Slate Plus members get bonus segments and ad-free podcast feeds. Sign up now. Learn more about your ad choices. Visit megaphone.fm/adchoices