I don't think she is going to want to run - I believe she and her husband will enjoy jet-setting around the world while throwing mud at Trump from a safe distance.
I've heard she isn't interested in running for office. Pretty much what
The SHREW said in 2006 or 2007. I think it depends on how badly the Obamas manage their $$, their cupidity, their desire for government-paid free-shit, and her understanding of how many people loath her. And then there's the factor than many young voters in 2020 will have "enjoyed"
MOOCH-chelle-mandated school lunches.