[Paleo Conservative]

But for a replacement to be named the seat has to be vacant. And unless Johnson resigns, is impeached and removed, or dies he will remain Senator even if he never opens his eyes again.

If he is unable to vote on the floor of the Senate, then the state of South Dakota is not equally represented as required by Article V.

[Non-Sequitur]

If he is unable to vote on the floor of the Senate, then the state of South Dakota is not equally represented as required by Article V.

The Constitution states that South Dakota will have two senators. They have two. The fact that one is incapacitated doesn't change that.