A car enthusiast in the family passed along several magazines published by the Hagerty Classic Car Insurance Company. (They insure classic motorcycles as well.)  I've been really enjoying the articles and features (Jay Leno writes for them and I've always enjoyed his motor-headed perspective). In the Nov/Dec 2018 issue, I ran across a piece by journalist, Aaron Robinson, referencing the "Waddington Effect" which discovered WWII British bombers suffered increased reliability problems after t