Mexican etiquette some white people need to learn

By Ray Salazar, NewsTaco I’ve stopped being surprised or offended when white colleagues don’t acknowledge me.  I remember being 24 years old, walking down the long high-school hallway to my classroom.  At the other end of the hallway walked a white colleague towards me.  I looked straight ahead to avoid the awkward silence as you close the distance, while you wait for the moment you’re close enough to say hello, and, seconds before you cross, say, “How&…