David Gergen: “Candidate goes in and wants to reform Medicare in a way that could take it away from him.”

He is unfit for office right now.

I think the Republicans need to have an intervention.

No, their problem is Anderson, he's got more support back in their districts in their states than they do and that gives him enormous -- it gives him enormous leverage against them.

I think the signs are just as Margaret says. They are saying that he is increasingly interested. Strikingly, Anderson, his interest seems to intensify when he sees Biden in trouble.