I'm sure they do know the truth. The trouble is, we, the public, can never learn it from them. Even if they decided to reveal exactly what they knew, their repe

I'm sure they do know the truth. The trouble is, we, the public, can never learn it from them. Even if they decided to reveal exactly what they knew, their repeated lies during the Snowden affair have undermined their credibility too far for anything they say to be believed.