He is definitely Ni valuing and ethical although skilled with logic. I'm not so sure about ESI-Fi anymore simply because he doesn't always V.I like one and he spoke quite symbolically at times. EIE-Ni is a possibility in my mind. He actually thinks more quickly and on the spot than ESI-Fi tend to, EIE-Ni tend to measure their speech but his thoughts are there, he can come up with things on the spot better than ESI-Fi generally can. A real ESI-Fi politician is Tim Kaine, he didn't control himself anywhere near as much and he doesn't think about global issues.

Thing is, he is a reputation for being a social introvert and he's a lot less animated and more serious in interaction than say Murray Rothbard. In photos, he doesn't really V.I. like an EIE-Ni, but in videos he appears like they can sometimes. Thing is, Joe Biden seems like an EIE, but Obama would be the opposite subtype. The Ni subtype is quite bookish and erudite and also goes around the world giving speeches. They also can actually give a greater impression of being compassionate, the Fe subtype will try to appear cold-hearted if they think their audience wants it, the Ni subtype is somewhat more sincere and is more willing to back policies and people that are unpopular and that they know will be unpopular. He didn't have that aristocratic, narcissistic, heavy bearing that the Fe subtype has; Ni subtype usually comes from more humble origins. The Ni sub is somewhat more cat like. But then Ralph Northam is an EIE and is SUPER different than Obama, not sure what subtype Ralph Northam is, but he seemed much more like he was able to just laugh off his errors while being gentle and calm. At the same time, he has a heavier, "I'm not backing down from power", more immovable Beta vibe than Obama seemed to. EIE of same subtype can vary vastly from each other in whether they want to appear as cold thinking men, scientists, artists, political leaders, etc. They're always in control of themselves (at least the Ni subtype is) even when they don't think they are, they have a hard time defining themselves (which is just as common to them as LSIs apologizing for everything they do) and staying with one explanation for why they did something.

Michelle seems LSE, could be SLE, but LSE seems more likely given her hot headedness and how impatient she is and how she does not look good.