A new war games study of China says Beijing doesn't need to invade Taiwan to bring it to its knees. A cyber-enabled economic siege and a blockade of shipping routes targeting Taiwan's energy imports could do it in just weeks with massive consequences for the world's economy.

FOX's John Saucier speaks with Rear Admiral (Ret.) Mark Montgomery, senior director of Foundation for the Defense of Democracies' Center on Cyber and Technology Innovation (CCTI), who breaks down the threat and suggests what the United States could do to counter such an attack.

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