Clear about the true costs of war, and who bore those costs. Clear about war’s folly, the sorry tales we humans collectively store in our heads and pass on from generation to generation—abstractions that fan hate and justify cruelty and force even the righteous among us to participate in carnage. Clear that by virtue of my office, I could not avoid responsibility for lives lost or shattered, even if I somehow justified my decisions by what I perceived to be some larger good.