From day one, they refered to him as Mr. Bush. This was to de-legitimize him as the President. That start at the 1st minute after he won the election in 2000.
I also will call Barack...Mr. Obama.
“I also will call Barack...Mr. Obama.”
I’ll just refer to him as 0 (Zero).
and I think I’d like a bumber sticker that reads, “O, not my president.”