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President Donald Trump removed his chief strategist Steve Bannon from the National Security Council.
Investigators reportedly believe the attack was conducted by the same hackers who tried to breach the Defense Department systems last month.
The nominees for chairman and vice chairman of the Joint Chiefs of Staff are already shaking things up.
Why are we always in the grips of some panic?
All the hand-wringing over General Martin Dempsey's Senate testimony appears to have resulted from not understanding much of anything he said.
The Taliban have been holding an American soldier in Afghanistan for almost 5 years, and are keen to make a deal to release him.