In "Civil War," a film reviewed by John Nathan, director Alex Garland portrays a disunited United States where a photojournalist and a writer embark on a road trip to interview a besieged president amidst chaos and conflict.

Alex Garland's new film "Civil War" depicts a dystopian future where a third-term U.S. president dissolves the FBI, leading to an authoritarian state and a violent national breakup.