The other day I was listening to Jocko Willink, a Navy-Seal-turned-fitness-guru-and-self-help-guru-and-leadership-consultant, talk about killing people.
I don’t know much about Willink, except that (a) every morning he is up at 4:30 for his fitness routine and takes a picture of his wristwatch and tweets it, just in case you thought he might be slacking…