Unfortunately, like it or not he's part of the administration. There's a fine line, that's gotten even finer in recent weeks. You're a member of a team that presents a daily newscast. You are (or used to be) by "older standards" to present a semblance of impartiality.
Yada, yada, yada, I know Faux News, Snewsmax, MSNBC and all that. Then again I'm old school and my wife was an All News Radio Manager, I haven't asked her, but to me this stuff doesn't fly. Especially in today's world.
The same goes for any remarks or videos or posts made on the other side. IMO immediate dismissal. And let the Union, if there is one fight it out with corporate HR