Teddy put a dagger in his own heart in 2016. He will never be President for many reasons including he’s not eligible.
Ron DeSantis is flirting with a similar disaster right now.
Trump is either the leader of the party still, he was President only two years ago, or he is not. If he is then other Republicans should stay in their lane. If he is not they ought to have the courage to say so and why.