Up until now, one could merely have accused Sarah Palin’s stalker-biographer, Joe McGinniss, of unethical behavior, even journalistic malpractice. After all, McGinniss’ decision to move into a house just fifteen feet away from the family he is subjecting to hostile research struck even the hard-hearted as unusually crass and callous. It also famously prompted the construction of a fourteen-foot high screening fence by “first dude” Todd Palin, and elicited sympathy for the Palins from a number of usually less-than-sympathetic sources. But now McGinniss has outdone his already-gross behavior by telling The Today Show’s Matt Lauer that the Palin’s anguished response...