Former aide H.R. McMaster on how Trump enjoys "pitting people against each other"
In his new book, "At War With Ourselves: My Tour of Duty in the Trump White House," the retired Lt. Gen. discusses the 13 months he worked as Trump's national security adviser.
In his new book, "At War With Ourselves: My Tour of Duty in the Trump White House," the retired Lt. Gen. discusses the 13 months he worked as Trump's national security adviser.
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