Please, there's no way that, as a prominent Republican congressman, Fred's relationship with that woman could be remotely conventional to the point that they're partaking in normal marital relations. She's either a pre-op tranny, his daughter, or the complicit mother of his underage male lover. Bare minimum there's scat involved.
Dr. Emmett Brown: Then tell me, "Future Boy", who's President in the United States in 1985?
Marty McFly: Ronald Reagan.
Dr. Emmett Brown: Ronald Reagan? The actor?
[chuckles in disbelief]
Dr. Emmett Brown: Then who's VICE-President? Jerry Lewis?
[later he rushes outside, down a hill and toward his laboratory]
Dr. Emmett Brown: I suppose Jane Wyman is the First Lady!
Marty McFly: [following Doc] Whoa! Wait! Doc!
Dr. Emmett Brown: And Jack Benny, the Secretary of the Treasury.