the former deputy director of CENTCOM during the Obama administration. He's a former Navy SEAL who grew up in Iran; and

Ret. Gen. David Petraeus, the former CIA director in the Obama administration who was sentenced to two years' probation and had to pay a $100,000 fine for sharing classified information with a woman he was having an affair with. His probation expires in April.

Also in the running is John Kelly, who was recently confirmed as Trump's homeland security secretary, NPR's Tom Bowman reports.

But, Bowman reports, the smart money is on Harward for now.

6. Will Trump continue to speak with Flynn anyway?

Trump is known to pick up his cellphone. And Flynn is someone who was one of Trump's closest and most trusted national security advisers during the campaign.

Flynn surelyhas that number. And there's some precedent for it. Trump has continued communication with other former aides and advisers, including Corey Lewandowski, who was was fired as Trump's campaign manager in June.

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