Once Donald Trump takes the oath of office as president of the United States, the Emoluments Clause of the Constitution makes it clear that he cannot accept those favors.

At the moment, the extremists have significant financial popular and theological backing in the Middle East. And that is an enduring phenomenon. And it's one that is going to require a long, ideological war to win.

Barack Obama was better as a campaigner than as a - as a president sometimes in this same position. It is easier when you have a foil.

With Rudy [ Giuliani], [Donald Trump] will - the minute they push him too far and start manipulating, he will - he will lash out.

Every president since George Washington has respected this clause in the Constitution. We want to avoid that Constitutional potential crisis. And the way to do it is for Donald Trump - it`s not about him.

The president-elect [Donald Trump] himself in the interview with "The New York Times" says there is no law that governs conflict of interest in - with the president.

The first thing [Donald Trump] does on January 20th is take an oath to defend and adhere to the Constitution of the United States.