The FDA is stockpiling military weapons — and it’s not alone AMERICA’S GUN CULTURE has been a subject of intense interest and controversy for years, with concerns frequently raised about shadowy militias, paramilitary extremists, and unstable zealots in possession of alarming quantities of explosives and firearms. Amid the current din over assault weapons and body armor, consider one domestic organization’s fearsome arsenal of military-style equipment. In the space of eight years, the group amassed a stockpile of pistols, shotguns, and semiautomatic rifles, along with ample supplies of ammunition, liquid explosives, gun scopes, and suppressors. In its cache as well are...