Recursion

by Blake Crouch

“Or to stop a killing that’s the catalyst for an epic tragedy—for instance, when Gavrilo Princip, a Bosnian Serb, murdered Archduke Franz Ferdinand in 1914, and in so doing, tipped over the first domino in a chain that would ultimately trigger the First World War. I’m simply raising the possibility for discussion. We are sitting in a room with a machine of incredible power.”