Fox News senior medical analyst Dr. Marc Siegel discusses the latest updates from the investigation into Gene Hackman and his wife, Betsy Arakawa, and his upcoming interview with RFK, Jr. amid a measles outbreak in Texas. Fox News senior medical analyst Dr. Marc Siegel discusses the latest updates from the investigation into Gene Hackman and his wife, Betsy Arakawa, and his upcoming interview with RFK, Jr. amid a measles outbreak in Texas.