Is it "crazy" and "paranoid" to stockpile supplies against the possibility of widespread social collapse? Not according to the federal government. The Centers for Disease Control and Prevention (CDC) maintains six warehouses stockpiled billions of dollars worth of medical supplies to be used to respond to any national medical emergency, including a flu pandemic or terrorist attack. Both the contents and locations of the warehouses are kept secret by law. "If everybody knows exactly what we have, then you know exactly what you can do to us that we can't fix," said Greg Burel, who directs the program, known as the Strategic National Stockpile. The Strategic National Stockpile was launched in 1999, with a $50 million budget. The value of the stockpile now exceeds $7 billion. Enormously expensive project The warehouses are enormous; Burel describes them as two Super Walmarts side-by-side, without the drop ceiling. Nell Greenfieldboyce of National Public Radio, who recently became the first