Juju Chang sits down with the former reality star and her husband about her book "Counting the Cost," and what she claims were years of control and manipulation by her family. WATCH NIGHTLINE EPISODES: abc.go.com/shows/nightline ALSO AVAILABLE ON HULU: hulu.tv/2wSmSrZ #nightline #duggars #duggar #duggarfamily #realitytv #entertainment #abcnews