Talk politics.

That power being to limit abuses of slaveholders who were conspicuous advocates of disregarding Northern liberty laws with the full coercive power of the government. Of course it's fruitless to argue actual details or facts with someone whose idea of facts is to claim someone else is illiterate or wrong on nothing but his say-so, that's the kind of argument seen in schoolyards among elementary school students who have nothing better to do like playing kickball or picking their noses and playing Pokemon card games.