Outgoing National Security Adviser H.R. McMaster walks out of the West Wing of the White House in Washington, Friday, April 6, 2018, on his last day as he is applauded by staff. (AP Photo/Susan Walsh)
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Outgoing National Security Adviser H.R. McMaster walks out of the West Wing of the White House in Washington, Friday, April 6, 2018, on his last day as he is applauded by staff. (AP Photo/Susan Walsh)
