Abrams is to meet Trump at the White House on Tuesday along with Secretary of State Rex Tillerson.
Iranian child seeking emergency eye surgery arrives in New York
Abrams, 69, last served in government in the Bush White House, first as a Middle East expert on the National Security Council and later as a global democracy strategy adviser.
Another candidate for the position was former diplomat Paula Dobriansky, the source said, while adding that it appeared Abrams had the inside track.
COMMENTS
Comments are moderated and generally will be posted if they are on-topic and not abusive.
For more information, please see our Comments FAQ