Singing along to "Hang Mike Pence" is treason. Telling military officers to obey the UCMJ is Constitutional as every officer swears allegiance to the ( drum roll ) CONSTITUTION.
Coming today on the anniversary of the beginning of the Nuremburg Trials is ironic as German soldiers learned that obeying an illegal order wasn't a justification for slaughtering Jews.
The trials set a precedent for international criminal law .