So what you're saying is we should all be preparing for the worst because doing the absolute worst most self-destructive thing possible is exactly what Trump does in almost every circumstance and always has.

He's saying it because he thinks he can get more concessions from both countries if he threatens to tank the deal.

It's not bluster, the moron wants to end free trade with everyone in favour of his tariff regime.

Particularly Mexico. We have options, at least.