An unnamed former top government official told a Newsweek magazine reporter that his story, about a U.S. military guard at Guantanamo prison flushing a Koran down a toilet, was "a slam dunk," according to the latest apology from Newsweek editor Mark Whitaker. The magazine's uncorroborated, single-source, hearsay report of the Koran desecration sparked riots in several Muslim countries, killing at least 15 and injuring perhaps 100. While the magazine has apologized publicly to the riot victims and their families, Mr. Whitaker told the New York Times, "We're not retracting anything. We don't know what the ultimate facts are." For those...