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The 25th Amendment allows for the Vice-President to serve as President if the President is unable to execute his powers. If the Vice-President and a majority of the cabinet agree that the President is unable to serve, but the President disagrees, where does the decision lie?
What is Congress – they have to agree by a 2/3 majority – after the Vice-Pres and a majority of the Cabinet agree that the President is unable to execute his duties.