Atlanta's Centers for Disease Control and Prevention says there's increasing data about the value of COVID-19 booster shots. Georgia’s Republican-controlled state election board has moved closer to a potential takeover of the elections office in the state’s largest county. Airlines and airports have gotten hundreds of millions in federal relief dollars during the pandemic, but those who keep Atlanta’s Hartsfield-Jackson airport clean say they are not being paid a living wage. Hear those stories and more in the latest edition of The Brief.