A small refrigerator magnet has adorned our kitchen for more years than I can remember. It bears the image of a dove with the words, "Let there be peace, at least between you and me." The three square inches it has displaced is opposite in proportion to its magnitude in the lives of family and friends. It is a mantra, a goal, a challenge. Because for so many, peace does not come easily or naturally Archeological evidence substantiates human...