Had Che Guevara not been executed by Bolivians in 1967, he may well be celebrating his 77th birthday this week. Or he may have endured a bloody death at the hands of other enemies. Had he lived, Western college students almost certainly would not be walking around campus mindlessly displaying his likeness on flaming red T-shirts. A dead martyr is much easier to lionize than a living dictator. Though he died nearly 40 years ago, Guevara is still sparking controversy. Rolling Stone magazine reported last week that guitar legend Carlos Santana was protested at his June 1 Miami concert. The...