End Medicare as We Know it?

Paul Samuelson tells us "Why we must end Medicare 'as we know it'". He makes a lot more sense to me than Krugman in his continual attacks on Ryan's medicare plans. Medicare is a major driver of skyrocketing health costs. It has to be reformed to bring healthcare costs down. Krugman points to the Canadian system as a one that is similar to Medicare but is able to control costs. Maybe but definitely something has to be done soon. Samuelson points out the failure of previous attempts to control costs by tinkering with the details of the system.