Robert Draper’s book To Start a War details why the Bush administration made a gravely mistaken decision, despite having clearly met the jus ad bellum criteria of “right intention.”

Mob violence cannot be tolerated, and when threatened should be met with overwhelming force—as a deterrent, and with proportional and discriminant force, or “reciprocal violence” if you prefer—without apology, with far less concern for “optics,” and without any concern for the ideology of the mob if deterrence fails.

It would be, quite simply, impossible to find a person better positioned to write on “American Intelligence in the Age of Terror” over the past two decades than Michael Hayden.

Donald Trump’s comments about going after terrorists’ families are immoral and point to common misconceptions about the ethics of war