Sometimes movies reach us in a place beyond mere assessment: you walk away from the thing you’ve just seen not really knowing if you’d call it good or bad, or even great, but you know something has shifted inside you. That’s the effect of A House of Dynamite, directed by Kathryn Bigelow and premiering at the Venice Film Festival . The picture is precise, potent, and ingeniously constructed. But even though it focuses on the nuts and bolts of how the United States government might respond to a