over the subsequent 20 years, you did have a number of efforts both through the medicaid program, schip, etc., that the public role in providing coverage has expanded dramatically. so i think it's very hard to see how you reverse the creation of the exchanges, etc., and i think that, you know, it will evolve into a different system, and it's something that i think conservatives and liberals will duke it out over, but i think it's going to make coverage absolutely central to our politics, and so then you're going to see a generation of republicans who are just going to reconcile themselves to it, and, you know, basically, well, how do we fix it? when you look at the estimates for how much medicare would cost 30 years out when the program was created, they did not quite come true. the picture wound up being extremely different. in a way it's a lesson for republicans because in 1964 you had goldwater as the nominee, and you had enormous super majorities in both houses of congress, and you were able to see the creation of programs, they are still wrestling with the legacy of medicare and me