National level public healthcare would be difficult to implement in the US for the same reason a pan European standard would be hard to implement. That said, i

National level public healthcare would be difficult to implement in the US for the same reason a pan European standard would be hard to implement. That said, if you do it on a state by state basis then qualify will vary just like it does between the different European countries. But as the US is a single nation, the mere existence of variation will mean some people say the system is a failure.