.... I am no expert but from what I can gather ...... All you need to do is read the "Disqualification Clause" in the 14th Amendment:
.... "No person shall be a Senator or Representative in Congress, or elector of President and Vice-President, or hold any office, civil or military, under the United States, or under any State, who, having previously taken an oath, as a member of Congress, or as an officer of the United States, or as a member of any State legislature, or as an executive or judicial officer of any State, to support the Constitution of the United States, shall have engaged in insurrection or rebellion against the same, or given aid or comfort to the enemies thereof. But Congress may by a vote of two-thirds of each House, remove such disability.
........ Unfortunately by flaw or design ...... the so called "Disqualification Clause" does not say who determines the guilt ..... There is an inference that it may possibly be Congress ...
..... I'm pretty sure the Left and the collaborating Anti Trump faction know this .... We need to understand that we sailing are all in uncharted waters .... Which makes taking evasive action VERY difficult ...
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No, no such power is given to Congress.