Camerota's tactic of working hard and asking specific questions made Heflin aware that she was coach-able and focused on her career, attributes that attract the best sort of mentor.
Adapted from an early short story by Elmore Leonard that was previously filmed very capably in 1957 with Glenn Ford and Van Heflin, "3:10 to Yuma" strikes a fair balance between physical action and psychological warfare, but always at its core is the question of how we are to measure these two men.