Parental alienation affects as many as 22 million intact, separated, and divorced families in the U.S., and millions more worldwide. It is associated with severe trauma across multiple generations, including the destruction of healthy parent-child relationships, the larger family system, and social networks. Despite the sheer number of families and communities affected by this problem, many people (including professionals) either do not know what it is, actively deny its existence if they have heard of it, or passively serve as bystanders while children become increasingly alienated from...