A number of Arabic and Pashtu interpreters at the terror-war detention center at Guantanamo Bay are under active investigation for omitting valuable intelligence from their translations of detainee interrogations, among other security breaches. This could taint some of the evidence at the "9/11 trial" in New York and proceedings against other detainees. Remarkably, the Pentagon never cleaned up the "mole infestation" at its highest-security facility after the FBI busted a Muslim spy ring at Gitmo in 2003. The 2003 probe involved at least two Arabic interpreters with high-level security clearance. Senior Airman Ahmad al-Halabi, a Syrian native, and former Army...