U.S. warned of threat worse than Katrina, plague, WWII

Millions could die: 'This is clearly not something you ever want to experience'

 ...It would cost about $100 million to protect much of the grid, but if the grid went down, it would cost us between $1 trillion and $2 trillion in damages, and the loss of life could be horrendous if in fact you were without electricity for months at a time."



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