Former FDA Commissioner Dr. Scott Gottlieb discusses the FDA’s approval of a booster Covid-19 vaccine for immunocompromised Americans. In an extended interview, he discusses cases of the Delta variant, longevity of vaccine efficacy, and what’s to come in the fall. Plus, CNBC’s Kate Rogers explains what all this means for small businesses and restaurants. In a conversation exclusive to Squawk Pod, Rogers reveals entrepreneurial optimism and service industry innovation in the face of an ongoing pandemic.