I've fallen back on this periodically, although I must say that getting out of the grocery business ranked right up there with getting out of the army as one of the happier experiences of my life.
Well I just figure any man who risks his neck to save a dog's life isn't going to kill someone for gold teeth.
As many people have chronicled, the decision to fight in Vietnam was a years-long accretion of step-by-step choices, each of which could be rationalized at the time. Invading Iraq was an unforced, unnecessary decision to risk everything on a 'war of choice' whose costs we are still paying.