Cindy and Don, a daughter and father, were dining in a restaurant in Nairobi, Kenya. Cindy, a recent college graduate, had committed a year to teaching in a developing country before settling down to make the "big bucks" as a public school teacher in the United States. She had been in Kenya long enough to begin acclimating to some of the cultural differences. Don, on the other hand, was in the first day of a two-week visit. He was still overwhelmed by his surroundings. To him the flood of new experiences felt like trying to drink water from a fire hose.

At the next table were seated two mature, well-dressed African businessmen. Don's ears were deaf to this but Cindy observed, "Those men are speaking three different languages. Sometimes they speak English. At other times, they speak Swahil…