This Green Beret thinks he can crack the NFL character code
 

Just reading the headline made me think of a book I'd just read. And sure enough its been a reference for the good ol LTC; "He reread his most influential books, Duckworth's "Grit"...".

Duckworth spoke quite a bit with Pete Carroll. Very interesting!

"Grit" is a good read for those interested in what separates the successful from the failures in challenging undertakings, among a few other things.