Power transmission lines are shown in Lansing, Mich., against a sky of gathering storm clouds Thursday, Aug. 21, 2003.
Power transmission lines are shown in Lansing, Mich., against a sky of gathering storm clouds Thursday, Aug. 21, 2003. AL GOLDIS AP/ Al Goldis
Power transmission lines are shown in Lansing, Mich., against a sky of gathering storm clouds Thursday, Aug. 21, 2003. AL GOLDIS AP/ Al Goldis

Experts: US must do more to protect energy grid from cyberattacks

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