Interesting - I had always thought of this as an urban legend to demonstrate survivor / selection bias. I always love to discover some source material - http://

Interesting - I had always thought of this as an urban legend to demonstrate survivor / selection bias. I always love to discover some source material - http://cna.org/sites/default/files/research/0204320000.pdf http://cna.org/sites/default/files/research/0204320000.pdf