Sometimes that's the price you pay for being so popular +Ali Adelstein
:) Yeah, I get sick of it too.
All I wanted to point out is that Southwestern cooking is a really large part of the US diet and a culture in and of itself. The meaning would be totally changed if you had a nice mixed group of people sitting down and enjoying tacos, burritos and enchiladas.
The fast food hamburger thing wasn't any better since those ideas came from Russia to the port of Hamburg. I'm sure that's not news to anyone. :)