Enemy Domestic with Presidental Oath sdded
The president is required by Article II, Section I of the U.S. Constitution to take the following oath of office:
"I do solemnly swear (or affirm) that I will faithfully execute the office of President of the United States, and will to the best of my ability, preserve, protect, and defend the Constitution of the United States."
Most presidents choose to take that oath while placing a hand on a Bible, which is often open to a specific verse that is important to the times or to the incoming commander-in-chief.
A couple of years later Trump said he had never sworn an Oath of Allegiance to Protect the Constitution...