Since the breakup of the Soviet Union, Russia has used natural gas as a weapon against Ukraine and Europe as a whole. Threatening to turn shut off the pipes as the weather turns cold is a pretty effective way to influence foreign policy. But now it looks like one of Vladimir Putin’s key weapons is losing some its punch. This week on War College we’re looking at how shifts in the production of oil and natural gas are effecting global security, and where that leaves the United States.

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