Apollo Group is the biggest of the ForPro education groups. It owns the University of Phoenix. Yesterday its stock fell 2 percent after reporting lower third-quarter profits because of higher costs. Corinthian Colleges is another of the big players. It, too, reported a loss of 3 cents/share. DeVry lost 15 cents, and Educational Services lost 3 cents/share as well. Everybody's trading down, albeit down very little. Does this mean that the quality of education provided by these groups has also dipped? Are students losing out 2% on their classes? or 3 cents/dollar they spend on their tuition? Hardly. One of...