"A group of sociologists did a poll in Arizona about the new immigration law. Sixty percent said they were in favor, and 40 percent said, 'No hablo English.'"
An article at WND explains that "[t]hat joke in class has Robert Engler, a 12-year sociology professor at Roosevelt University, fighting for his career.
It elicited two written complaints in the spring of 2010 as ethnically offensive, and what followed was a protracted argument that eventually included the termination of his employment from the fall semester."
I think the bigger joke is the administration of Roosevelt University for taking complaints of being offended by this gag seriously. Statistically, English is still the predominant language in this country. If someone doesn't like it, they are welcome to leave.