The president has nothing to do with elections, with the VP's duties in Congress (which are legislative), electors, etc.
These are not within the outer perimeter.
Here is where he says that anything he does personally or as a candidate for office is part of his role as president. (Screenshot #1)
To answer questions about frivolous and sanctions: Defendants in criminal matters are given leeway in making creative arguments.
The brief isn't badly done. Nothing I see is sanctionable.
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