News Leak Blows Big Opportunity Newsweek Web Exclusive While publicly congratulating themselves over the bust of an international arms dealer in an alleged plot to sell Russian-made surface-to-air missiles, top Justice Department officials are privately fuming over a premature news leak that may have blown a rare opportunity to penetrate Al Qaeda's arms-buying network, NEWSWEEK has learned. THE FBI'S ARREST of London-based arms dealer Hemant Lakhani, 68, at a hotel room near Newark Liberty International Airport this week was supposed to be only an interim step in what officials hoped would be a far more meaningful long-term operation, law-enforcement sources...