For me, it depends on the context. Most of the time, I'm avoiding indexing so I'll use something different and not tied to his name every time. (Apologies to anyone who has a non-creepy reason to index my text. Ask me directly if you want my opinion ... Which if you're indexing, I guess you probably don't. Spiders Georgina out.)
With President Obama, the vast majority of the media and pundits refused to call him "President Obama." Not the time or place to get into why. I made it a point to always call him President Obama (unless I was avoiding indexing) because I disagreed with what I felt they were doing. I don't see that issue being relevant in this case and the people who want to press the issue are mostly the same ones who didn't afford President Obama the same respect.
I'm reminded of the "respect" conservatives asked I show W. "because of the office" despite eight long years of seeing how they respected Bill Clinton.