An eye for an eye and a tooth for a tooth. Retaliation—one of the world’s oldest and most contagious sins.   Did you know that the Old Testament law of “an eye for an eye” was designed to put a limit on retaliation?   You can find it in Leviticus 24:19-20.   The goal was to keep people from inflicting more damage than they had received.   Actually, it was considered an innovation for its time.   It was not uncommon for a victim to...