David Axelrod actually said...

He's not winning this race. He's more likely - if you just look at the data and talk to people around the country, political people around t...

I think it would be irresponsible to run if he were being treated for that.

He needs to come to grips with this. I know he cares about the country, cares deeply about the threat that Trump represents, he needs to act...

I think that this is a -- this will define him if he moves forward.