 But ultimately, that's what has to happen. He has to personally change his mind because it's totally up to him. Explain to us why. Well, there's really no coercion that can move him out authoritatively from the presidency. The only way you could do it constitutionally would be the 25th Amendment, in which the vice president and the majority of his cabinet vote him as incapacitated and therefore unable to discharge the duties of office.