Flow, How many Ne doms use Fe? Hmmmmm, Let's think... If the answers you came up with are anything but ENTP, then you should probably learn the theory a little better before acting like you are going school me in it.
CKM, those pauses you are seeing are for the most part Si, being that it would be his inferior function, it slows him down and reduces his energy levels the most (Noted by him disengaging and looking to the left.)
Did you notice his levels of energy jumps up again as soon as he starts engaging with the outside?
Ne is a bit harder for me to point out, especially because it is constantly on. But even when using Ti, which is most noticeable by him disengaging with interviewer and his face being neutralized of emotion, his eyes are usually still engaged with the outside. This is because as an ENTP he uses both Ne and Ti together, and he will be possibility shifting while checking it with Ti, with the focus on Ne. The disengagement from the interview however is done to make the use of Ti more efficient. (Also if he were an Fi user, that disengaging to the right would have come with a warming of the face, as opposed to cooling and neutralizing.)
2:01 - Do you see how as he is listening, he starts to get tension in his mouth that is in response to the interviewer? But it is not just a growing expression that he is unaware of like what you would get with Fi, it is more of poised expression meant to either approve or disapprove of what the interviewer is saying. Now notice how fast he cleared his face as soon as he disengaged to use more Ti, it was instantaneous, and it was more of a "letting go" of the expression he was holding, rather than intentionally trying to clear it like you would get with an F.
See how his expressions never go passed his cheeks and into his eyes? That usually indicates that you are looking at a T.