But I am not sure we want Mexico.
I know that I don't want Mexico.
From your link above:
Likewise, North America will never realize its full potential until the people of this continent, who once lived united as one people, re-unite for the betterment of us all. It is that simple, yet profound idea, which compels me to advocate for a United North American nation. -- [snip]
When did this particular utopian kingdom exist?
I know I don't, but the CFR plan calls for it and bush has had at least 2 summit meetings with the other two leaders about the North American approach to security. These plans give an appointed agency lots of authority over immigration issues.