Sex, sexuality and sexual explicitness have long been controversial in the United States, where the attitude has traditionally been repressive and deeply laden with sexual guilt. Prior to the mid-1960s, sexually explicit books like Henry Miller’s Tropic of Cancer were banned, copies confiscated, and booksellers intimidated for selling them even after the ban was lifted in 1961. It wasn’t until 1964 that the US Supreme Court declared Miller’s book not to be obscene and its sale protected...