I kinda wish Parties here had the same power parties have in other countries where they have the power to stop them from running under their party banner.
But in the meanwhile he should be stripped of all his committee assignments and then primaried in 2020 and if that doesnt work a Republican should run as an independent to make sure he loses
He definitely should be stripped of his assignments from within the GOP but I doubt the GOP will actually do that. Steve King Represents a significant portion of the GOP too well for them to do that. At the very minimum 1/4 and probably 1/3.
