"It is a sign of maturity and decency to acknowledge that often all parties participate in making mistakes that can produce discord. In our time, recognizing this fact is part of being an honest person of depth. It helps us understand that trouble between people gets transformed when everyone takes responsibility for their part. Negotiation is a process, first of acknowledgment, and then adjustment to the new information produced by that acknowledgment. Recognizing mutuality of cause is a principle that allows progressive change without . Scapegoating, after all, is often rooted in the false accusation that one person or group is unilaterally responsible for mistakes that are actually contributed to by multiple parties."