I taught English to foreign executives for many years through World Learning, Inc. Two of my students worked for Perstorp, a leading Swedish chemical company, which was establishing sales and manufacturing of Pergo flooring products in the United States and South America. I taught a Greek pediatrician, an Ernst & Young consultant from Spain, and an Esso manager from Argentina. For a year, I taught a Venezuelan auditor with CSX Corporation.? I also taught an intensive English class at West Vir...