When I was a boy, my head stuffed with John Wayne movies and other tales of heroism from not-all-that-long-ago World War II, I used to set up my plastic army men in highly strategic fashion on rock outcroppings in vacant lots or patio walls. The correct placement of my men seemed crucial to the battle that would be unfolding, and I had particular fondness for one type of soldier who lay flat and outstretched on his stomach with a type of mini-machine gun in front of him, rattling away at the enemy while presenting the smallest possible target. There weren’t…