Some good from disaster

The Germanwings flight that was intentionally flown into the Alps by its co-pilot adds a new wrinkle to flying.

And, it is not a good one.

The co-pilot took control of the plane after the pilot left the cockpit. He locked the pilot out and proceeded to dive the plane into the Alps. All 150 people aboard were instantly killed when the plane crashed into a mountainside.

This airline co-pilot reportedly had a long history of mental illness. At one point he was reportedly diagnosed as suicidal. He kept his treatment secret from the airline, even though it is a legal requirement that such things be...