So he is keeping his options open to run as a Dem for President. (He beat the deadline to register in Alabama, just in case).

I say come on in, join the party. We already have a nice billionaire in the race, but maybe you have a bit better name recognition, and can do better. I doubt that you will be particularly competitive, but you never know what can happen.

Meanwhile thanks to the auspicious candidates who have left the field less crowded. Now we are down to – still too many.

He is probably just keeping the option open, to run, but if he got in soon, it would likely have the effect of splitting the moderate NOT the activist progressive votes, thus a bonus for Warren and/or Bernie, and a decrease for Biden and the moderate track.

Which is probably precisely what he does not want to do.