What does he want? Revenge. For what? Being born. This is the way famous gunslinger Doc Holliday answers equally famous lawman and good friend Wyatt Earp’s inquiry - in their depiction in the movie Tombstone - into why their sworn enemy, Johnny Ringo, is such a misanthrope. Sadly, this description would be equally accurate in explaining the actions of another Arizona transplant filled with endless rage: Senator John McCain. I first encountered the seething side of McCain when I was writing my 2008 book, The Real McCain, which was critical of him while pointing out a then-controversial fact, one no...