That is a prohibition. And he was not convicted, by the way.
That is the absolute OPPOSITE of a prohibition. The operative phrase there is, and I quote: "shall nevertheless be liable and subject to
It's as easy to understand as the clause from the Second Amendment you see in my tagline.
Bluntly: The Constitution DOES NOT provide for any sort of "COMPLETE & TOTAL PRESIDENTIAL IMMUNITY". It just isn't in there.