that will be in the climate with or without us. so we have to act. what the green new deal gets right is recognizes there are a lot of economic opportunity in this. retrofitting building is a huge amount of jobs for the building trade in the country. i view that is a good thing. chris: okay we are way over the lightning round. medicare for all. you say it should be to care for all who wanted. >> that's right. chris: explain. >> i believe single-parent environment is probably the right answer in the long term. but i think every politician that throws around medicare fraud, i think they explain how you get there. in my view take something like medicare, put on the exchange as a public option. and if people like me are right that it is both good coverage and more cost-efficient, then more and more people will buy in and it will be a natural path toward a single payer -- chris: is kamala harris wrong she comes in eliminating private insurance? both of you tiffany. think about medicare itself, east of advantage and things around that. even countries like the uk that nationalized medicine still have a role for the private sector. i think there will be a role for the private sector but a different one that we have in the corporate system today. chris: the supreme court. talk about possibly expanding the court for nine justices to