In Canada the conservatives had a 30 point lead in the polls.
In comes Trump and his 51st state crap and they lose. The conservative leader even lost his own seat. He had most of the same beliefs as Trump. All Trump had to do is shut up.
Interstate commerce clause should kill it.
"It also places limitations on states, prohibiting them from enacting laws that unduly burden or discriminate against interstate commerce, a principle known as the Dormant Commerce Clause. "