“every US bearing license plate would go to secondary for a search.. EVERY ONE OF THEM”

Naïve, puerile, expensive, and unworkable ideas have long been the signature of the anti-gun USA-hating Left.

Border wait time issues aside, do you seriously believe that the US wouldn’t retaliate?

I guess you'd be OK with the inevitable quid pro quo when the US border authorities check all Canadians for pot after Junior legalizes it next year?