I've studied armed conflict my entire adult life. My quest began unexpectedly as I went through the basic police academy in 1976. Most of my basic firearm training was spent preparing for the Practical Pistol Course (PPC), which consisted of “realistic phases,” such as prone at 60 yards, kneeling at 50 yards, and hip shooting at 5 yards. I admit, I knew nothing about gunfighting at the time, unless you consider 1960s television “training,” but...