As a rule, from what I've observed, the American Captain of Industry doesn't do anything out of business hours. When he has put the cat out and locked up the office for the night, he just relapses into a state of coma from which he emerges only to start being a Captain of Industry again.
Golf... is the infallible test. The man who can go into a patch of rough alone, with the knowledge that only God is watching him, and play his ball where it lies, is the man who will serve you faithfully and well.