Political utopias are a form of nostalgia for an imagined past projected onto the future as a wish.

To defeat evil, we may have to traffic in evils: indefinite detention of suspects, coercive interrogations, targeted assassinations, even pre-emptive war.

You're never really out of politics.

The wars of the future will be fought by computer technicians and by lawyers and high-altitude specialists, and that may mean war will be increasingly abstract, hard to think about and hard to control.

All war aims for impunity.

There's a financial cost, but the only costs that are ever real are the costs of our soldiers.

There's intense national feeling in America that could be called patriotism.