Trump and BidenÂ’s ages have many wondering about their running matesÂ’ influence and power. What is the historical precedent for a vice presidentÂ’s role? “Democracy means that anyone can grow up to be president,” said the great TV host Johnny Carson. “And anyone who doesn’t grow up can be vice president.â€But for all the jokes about the irrelevance of the office of Veep, America has been thinking about this yearÂ’s vice presidential candidates more than most.Sen. Kamala Harris, Joe BidenÂ’s running mate, has already referred to their ticket as a “Harris administration” in what many speculated was a telling Freudian...