Jake Gyllenhaal examines Afghanistan's toll in new film | Nightline

The blockbuster stars speak with "Nightline's" Juju Chang about the bonds of war in their new film "The Covenant," and their own real-life friendship. WATCH NIGHTLINE EPISODES: https://abc.go.com/shows/nightline ALSO AVAILABLE ON HULU: https://hulu.tv/2wSmSrZ #nightline #jakegyllenhaal #movie #celebrity #entertainment #afghanistan #abcnews