let's bring in adriana cohen. your reaction to that? >> yeah.now, it's come out now that the medicare for all plan that elizabeth warren is supporting is going to be much more costly than originally estimated. so right now her wealth tax is estimated to bring in $2.75 trillion in revenue, but that's not going to cover the now $34 trillion cost of medicare for all over a decade. and so clearly, the middle class is going to foot the tab here, liz. elizabeth: to your point, it's a good one, why switch horses midstream? why would you go for the democrats' gigantic, costly takeover of health care, of student loans, you know, all of -- they can't even fix the border or, you know -- >> right. elizabeth: -- other issues. what we're looking at right now is their plans would actually increase total health care spending by a stag therring $7 trillion versus how much income taxes the government pulls in. your reaction? >> yeah, absolutely. i think elizabeth warren made a grave mistake, because she could have distinguished herself from bernie sanders by supp