[snip]
...The bottom line here is that the Bush administration demands economic expansion south of the border before bilateral differences can be ironed out. Meanwhile, the American president has put border militarization under way and hardliners spell out a series of stiffer actions.
Long sought after by the Fox government, a comprehensive immigration accord with the United States is out of the question. Integration returned to where it belongs: Wonderland. The Bush recipe holds, however: Free trade.
Full article: http://www.elfinanciero.com.mx/ElFinanciero/Portal/cfpages/contentmgr.cfm?docId=6476&docTipo=1&orderby=docid&sortby=ASC
[Proofreader's note: this article was edited for spelling and typos on June 13, 2006]
Note: http://www.elfinanciero...

I guess this should be restated as "three different worlds."
Although I fully realize that Canada is "less different" from the US than Mexico.
Note also that the European Union consists of autonomous states who agreed to cooperate completely on many levels, but not on their nationalities.