San Diego's biggest expansion of public transit in more than 15 years is now up and running, but there are still issues accessing the new line. Plus, public health officials say there’s a disparity in who’s getting the COVID-19 booster shot. Also, an audit of the San Diego Regional Crime Laboratory has revealed major lapses in security and testing protocols over the past several years that could call into question the credibility of evidence used in previous criminal cases. Meanwhile, universal preschool is coming to California in 2025, but some believe it could have disastrous consequences for child care centers and families seeking early care, with the impact falling hardest on communities of color. And, with the proliferation of e-scooters and bikes, we take a look at the city of San Diego’s permitting system and how it plans to limit the number of operators and e-devices. Finally, with Comic-Con Special Edition happening this Friday, KPBS arts reporter Beth Accomando talks to a comic book store to find out how it has been impacted by the pandemic.