Leslie is joined by Dr. Harlan Ullman, who chairs two companies: CNIGuard Ltd, an infrastructure protection firm based in London and The Killowen Group, that advises leaders of business and government at the highest levels.

The two discuss whether or not it is possible for President-Elect Trump to dismantle the Iran Nuclear deal.

Dr Ullman is a Senior Advisor for The Atlantic Council, a Supreme Allied Commander for European Command Senior Advisory Group, Vice Chariman of SPS-US Advisory Board, and a distinguished columnist for United Press International.

He actively advises the Departments of State and Defense and NATO and is the author of "A Handful of Bullets: How the Murder of Archduke Franz Ferdinand Still Menaces The Peace", which can be found at Amazon.com.

His Twitter handle is @DrHarlanUllman.

(Image Credit: Xinhua/Bao Dandan)