Before the tryptophan in the turkey induces somnolence, give thanks for living in such an entertaining country. This year, for example, we learned that California’s legislature includes 93 persons who seem never to have had sex. They enacted the “affirmative consent” law directing college administrators to tell students that sexual consent cannot be silence but must be “affirmative, conscious and voluntary agreement” and “ongoing throughout a sexual activity.” Claremont McKenna College requires “all” — not “both,” which would discriminate against groups — participants in a sexual engagement to understand that withdrawal of consent can be any behavior conveying “that an...