John Donvan (Author) John Donvan is a multiple Emmy Award-winning Nightline correspondent with a long career in journalism. Prior to Nightline, he was the chief White House correspondent for ABC News.Caren Zucker (Author) Caren Zucker is an award-winning veteran television news producer who has worked most extensively with ABC News. She also produced and cowrote a six-part series on autism for PBS in 2011.
