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ISIS-K escalates global terror threat. Is US vulnerable? | NewsNation Now
The U.S. Central Command Chief warned that the terrorist group ISIS-K has the capability to attack the U.S. as intelligence suggests the group is escalating global threats. Correspondent Kellie Meyer joins "NewsNation Now" to discuss what kind of threat the U.S. may be facing as National Security Council spokesperson John Kirby says there is no "imminent, credible threat."