While the two parties are all being nice with each other and the fighting has ceased, their guards will be down.
We place dozens of banana peels in congress. They are old as fuck, so a mild comical fall would probably do it for them at least for the physical world.
If the plan seems too risky we can get someone from /c/art to paint the banana peels the same color as the floor.
paint banana peels on the floor so that people can't tell what's real and what's not