Billy Graham had a rule. He was a powerful man, away from his wife and children more often than he was with them. Aware of the significance of his reputation and convinced of the moral value of the Gospel message, he took precautions to guard against his own human weakness. He gave his ministry colleagues explicit instructions: never leave me alone in a room with a woman who is not my wife.

If only someone had given John Ensign similar advice. Or if someone did, that he’d heeded it. The Ensign story continues to reverberate not because of its delicious best-friend’s-girl plotline (for who among us is surprised anymore that politicians sleep around?), but because he said he stood for something else.