July 15, 1999 Web posted at: 7:30 p.m. EDT (2330 GMT) From Correspondents Chris Plante and Jamie McIntyre WASHINGTON (CNN) -- U.S. Defense Secretary William Cohen canceled a visit to Albania this week to avoid a "hornets' nest" of Osama bin Laden operatives, CNN has learned. Defense Department sources told CNN that the Albania visit was dropped from a six-nation trip to Europe because of "a threat on the ground" related to Islamic militants affiliated with bin Laden,the alleged mastermind of the U.S. embassy bombings in Africa last year. The sources, who asked not to be named, declined to elaborate...