In the world of commercial aircraft, parts are almost always replaced before the end of their expected service lives. Rather obviously, a plane that stops flying mid-flight presents some pretty serious hazards to the health and safety of the passengers and people on...

On a Sunday morning last May, the day before the planned start of a long-awaited vacation highlighted by a 1,200 mile road trip, I awoke to find a very slow but very obvious leak on one of the very expensive performance tires on my fancy SUV. My first and only call...