Recently, actress McKenzie Phillips, daughter of John Phillips of The Mamas & Papas fame, appeared on the "Oprah Winfrey" show. She discussed her new book, High on Arrival, which detailed the sexual abuse she suffered at the hands of her father.

I watched with sympathy and shock as she described the "consensual" relationship she had with her father from age 10 through 23. Obviously there is no consent from a 10-year-old in these situations. And because of the drugs introduced to her by her father combined with the authoritative power that he had over her as her parent, Ms. Phillips is certainly not...