If pigs started flying, would the NFL field-goal record be easier to break?
As this is the most atrocious offence which can be committed against the political body, so is it the charge which is most capable of being employed as the instrument of those malignant and vindictive passions which may rage in the bosoms of contending parties struggling for power.
-- Chief Justice John Marshall, in US v Burr [full text of the opinion here]
I think the answer to your rather specious question may be found here, reproduced from Black's Law Dictionary, 6th Ed. Historical elaboration may be found here: The Law of Treason in the United States, Collected Essays by James Willard Hurst [my source for the Marshall quote above].