One of the many manifestations of "the arts" timed to coincide with the Republican convention this week was called Guantanamo: Honor Bound to Defend Freedom — a title pretty obviously meant to be ironical and satirical — and consists entirely of verbatim transcripts of the words of terror suspects in the Cuban detention center. Perhaps not surprisingly, they’re all innocent and were only arrested by mistake. And, of course, by a monstrous breach of America’s constitutional protections of our civil liberties. It takes a kind of credulity we are regrettably not short of these days so liberally to offer the...