When you see some of the advocates on Fox they will come out and say there shouldn't be any North American borders and should be free to roam from Central Americal to Canada and back.
The one guy who is the most arrogant of them all -- well almost -- Juan something -- just wrote a book and O'Reilly had him on this week... I can't even watch that guy he's so smarmy.
Sadly, Mexico is a country that has lived on romantic illusions since its founding.