It seems very likely to me that the NSA has means to determine the origin of the source that Assange does not have. He's as easy to fool as any other single per

It seems very likely to me that the NSA has means to determine the origin of the source that Assange does not have. He's as easy to fool as any other single person who sits in an embassy with a laptop. So yeah, I would give more credibility to the NSA than to Assange in this case, without any need to accuse him of lying.