Alex Garland’s bold new political thriller “Civil War” won the box office this weekend, grossing $25 million, the highest opening for an A24 movie ever. Captivating the public with its visceral violence, shocking images, and frightening cautionary tale politics that mirror today’s division, the movie is also earning much acclaim for a brief but chilling performance by Jesse Plemons (“Killers of The Flower Moon”) playing a cold-blooded soldier unnervingly executing civilians at will (read our review).