Trump picks hostage negotiator O'Brien for top security job
"I have worked long & hard with Robert. He will do a great job!" Trump wrote on Twitter.
U.S. President Donald Trump and Vice President Mike Pence talk with State Department Office of the Special Presidential Envoy for Hostage Affairs Robert O'Brien (R) during a meeting in the Oval Office at the White House in Washington, U.S. March 6, 2019(photo credit: REUTERS/JONATHAN ERNST)