I would suggest MISTER PRESIDENT for no 2. To ruff is to Trump in bridge, and “formally, soon formerly” indicates that it’s how you would address him, though not for long
Rossim, I found by trial and error that if I clicked the "Reply to this post" link on the post in question it gave me the error message, but if I clicked the blue "Add Reply" button at the bottom it allowed me to post. That may explain the variation