United States Special Presidential Envoy for Hostage Affairs Robert O'Brien is seen here on the right while President Donald Trump speaks to former hostage Danny Burch at the White House in March after his release in Yemen. AP Photo
United States Special Presidential Envoy for Hostage Affairs Robert O'Brien is seen here on the right while President Donald Trump speaks to former hostage Danny Burch at the White House in March afteShow more

Exclusive: US ties with Assad could improve if missing journalist released