The split Mr. Biden makes between domestic and foreign policy when it comes to violence is either unconscious or politically expedient. But even political expedience reflects a larger unconsciousness that seems to be shared by many contemporary world leaders. They continue to refuse to see that national self-interest has been subsumed by global self-interest. Without exception, both the wars and the tensions that often preclude wars have become deeply irrelevant in the context of rising global temperatures, extreme weather events, and marine ecological breakdown.