Or perhaps, you know, he could have learned to communicate better. I don't speak Spanish nor Laotian, and I never had a problem making myself understood nor did I have any problems understanding them. Many of them are good people and good workers. Besides - although the majority of people in America speak English, America doesn't endorse English as an official language. If you are in a workplace with predominantly Spanish or Laotian workers, then the onus of responsibility to learn how to communicate is on you, not them.