"The justification for those actions was that we were living in a very hard, predatory, cloak-and-dagger world and that the only way to deal with a totalitarian enemy was to intimidate him. The trouble with this theory was that while we live in a world of plot and counterplot, we also live in a world of cause and effect. Whatever the cause for the decision to legitimize and regularize deceit abroad, the inevitable effect was the practice of deceit at home."