If it is not saying impeachment can be a criminal trial, why exactly does it exclude impeachment from the normal due process of criminal trials? Wouldn't that be totally pointless? I never claimed ALL impeachments were criminal trials, so your point is moot.
Then what's the problem with Trump's impeachment not being a criminal trial? You're kinda all over the place with your itch to prove... something.
I am not stretching anything, except for maybe your mama's booty hole.
Wrong board for your mommy issues.