WAFB anchors Greg Meriwether and Lauren Westbrook recall nine hours on the set four years ago when six officers were shot and three killed in an ambush on July 17, 2016. NPR correspondent Pam Fessler recaps the history of treating patients at the leprosarium in Carville. Her husband’s grandfather lived and died there in the 1930s. Pam’s book is “Carville’s Cure.”