"Does Bob Mueller once use the phrase 'terrorist surveillance program'? ... The answer is no. He talks about 'an NSA program.'
"It's exactly what I'm talking about, which is that members of Congress are trying to create controversies about highly classified matters, some of which cannot, should not and must not be discussed publicly ... And it forces people to give very careful answers that could very easily be twisted by folks on the other side of the aisle."