Oh, thank God, Defense Secretary Pete Kegbreath has freed his hairy-chested warfighters from the tyranny of annual flu shots. What kind of fool would force the manliest men who ever manned the ramparts to impurify their precious bodily fluids? Well, besides George Washington, that is.  Before the National Park Service takes it down as too woke, read this Boston National Historic Park overview of how the Father of Our Country ordered his men to be inoculated against smallpox in 1777 - based on Boston's early experience with inoculation. Washington understood the grave threat smallpox imposed upon the Continental Army and their chances of winning the war.…