Chechen separatists have grievances that shouldn't be obscured by atrocities committed in their name. As soon as I heard the news of the school siege in the Russian town of Beslan, my first instinct was to call or e-mail every Russian I knew.Many of the same Russian friends had e-mailed me right after 9/11, sending messages of condolence in an effort to show solidarity with Americans.In the Beslan tragedy, more than 1,000 parents and schoolchildren were taken hostage and more than 350 killed by terrorists calling for the Russians to leave Chechnya. This was also the kind...