The deepest and most damaging penetration of the U.S. Defense Department by an enemy agent in recent history was pulled off by a spy working for the terror-sponsoring, drug-smuggling Castro regime. The spy’s name is Ana Belen Montes, known as "Castro’s Queen Jewel" in the intelligence community. In 2002 she was convicted of the same crimes as Ethel and Julius Rosenberg and today she serves a 25-year sentence in Federal prison. Only a plea bargain spared her from sizzling in the electric chair like the Rosenbergs.Promptly upon Montes’ conviction a Cuban spy named Gustavo Machin, who worked under diplomatic cover in...