U. S. and Europe’s approach to foreign students is to westernize them in a way of educating future leaders.

The idea that educating future leaders from other nations will make them more Western has long guided the U. S. and Europe’s generous approach to foreign students of high and low parentage but not everyone thinks it works.

A round of high fives after a successful sales call this month could be the start of something big: big numbers of salespeople calling in sick with the flu, passed from palm to palm to nose. But those who are passing germs around are often doing so because they do not have paid sick leave.