It is much easier when you have the power of the presidency.
Except we have that pesky Constitution that limits the power of the Executive Branch. So how will he force the state parties to change how they select their candidates to run in the general election?
The things his supporters tell themselves, I guess
“So how will he force the state parties to change how they select their candidates to run in the general election?”
By enforcing the laws? Gosh, does that go over your head, or are you just trying to set up an impossible scenario that doesn’t exist?