Leave it to NBC News to cover the NSA's BS stance, as well as the the programs legality issue, yet completely zone out about the programs effectiveness, expense

Leave it to NBC News to cover the NSA's BS stance, as well as the the programs legality issue, yet completely zone out about the programs effectiveness, expense, expanse, or actually question the NSA chief's statement, 'it is impossible to listen to phone calls, and read all emails due to their shear number'. But they are recording them all... which is the problem!