WATCH: Author explains why Trump is betraying his position and the oath of office
President Donald Trump. (Christos S /

During a segment of MSNBC's Deadline White House with Nicolle Wallace Wednesday, visiting scholar at the Carnegie Endowment for Peace and author David Rothkopf called President Donald J. Trump a "traitor."

"Well, the thesis is that, you know, Donald Trump is a lot of things. HTraitor: A History of American Betrayal from Benedict Arnold to Donald Trump."

Watch the video below.