Great points, and I like his analysis to figure out the background of the owners of a Vietnamese restaurant. There was a huge amount of ethnic Chinese in Vietnam, many who were forced as Boat People. Vietnam and China even fought a war in 1979.

A Code-Switching Tour Of L.A.'s Chinatown - OPB

And I found his blog - nice site. http://calvinho.net/

And a blog he contributes to:
http://www.languageonthemove.com

Labels: Chinese Food, chinese language, vietnam