This is why I think 2) is their best choice. They control the path with 5) as Plan B.
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I agree with your statement, if they wanted to remove him.
I’m just not sure they’ll even try to remove him.
I’m not sure they’ll try also. If they do (Big if!) I think 2) is the cleanest route for them since they’ll hold all the cards.
Anyway, my current bet is he stays in place. My sense right now is the “debate panic” has peaked and has been calculated into their campaign strategy plans. On to debate 2!