> Are you suggesting that therefore he does not know the answer?

No, I'm asserting that any statements by Clapper can't show the NSA lying about anything any more than statements by Trump can show the NSA lying about anything because neither is part of the NSA.

> The question posed in the linked video clip is "Does the NSA collect any type of data at all on millions, or hundreds of millions of Americans?".

And the video is irrelevant to the discussion both due to the point above and due to the discussion being about recording content of conversations, as I said in GGP.