@BillW,
BillW wrote:"They" don't get to select - anyone/everyone would have to be primaried; voters rule.
The election has already happened. The voters elected Pence as VP in 2016.
But your notion that the voters have to elect a presidential successor is incorrect. There are plenty of cabinet secretaries in the line of succession.
Not that anyone has to worry about it. The Senate is not interested in helping Democrats lynch a Republican president over nonexistent crimes.