If You Ever Responded to #BlackLivesMatter with “All Lives Matter,” You Need to See “13th”

Ava Duvernay’s new documentary, a nominee for the inaugural Critics Choice documentary award, is “13th,” named for the amendment to the Constitution that abolished slavery — and, as this film shows, triggered racial injustice in other insidious, law-enabled ways. This is the movie that shows the strikingly different way that black Americans and white Americans interact with law enforcement and the prison system.