The United States should annex Mexico.
It would solve the current Mexican immigration problem and US employees whose jobs are Mexico-bound could cross the border and begin working without losing citizenship.
How do you say Steris in Espanol? I'm not kidding. Bring on the pesos.
Either that, or let's announced USMC. UnitedStatesMexicoCanada. We could have free borders between countries and focus on guarding the entire land mass instead. An attack on one country would be considered an attack on all.
That might confound (or at least confuse) Al-Quaeda.
Speaking of loonies, we should be free to spend lots of those north of the border, as well. They take lotsa loonies at Tim Horton's, don'tcha think, Ralph? So their profit would be our profit. Brilliant, eh? And who doesn't love the maple leaf?
How about the North American Treaty Organization, NATO?...doh! That one's already taken.
As for Biden's notion of The United States of Iraq...Three separate states with shared national defense? That sounds familiar. Think it'll fly in the Arab world?