Evil does not question itself. Only Hope questions itself.
That's why Credit card companies are evil. Are they sponsoring the show tonight? ... They are Evil.
Al Qaeda has declared war on the Somali pirates. That is awesome! Evil against evil. Like Alien versus Predator or Cheney versus his lawyer.
Allowances can always be made for your friends to disagree with you. Disagreement, vehement disagreement, is healthy. Debate is impossible without it. Evil does not question itself, only hope questions itself. Even the incorruptible are corruptible if they cannot accept the possibility of being mistaken. Infallibility is a sin in any man. All laws can be broken and are. Often. Like when a bumblebee flies or an ancient regime is toppled.