Single payer is the only real answer. Any other option is in effect an expiriment, for the reason there is no other model to base a system on anywhere but single payer thats succesful. Anything else is an expiriment and any reasons why something else would work. We are stubbornly trying to do it "our" way out of spite, stubborness and arrogance... evidently we cant seemingly accept other countries figured it out better than we did first.
No one besides someone whos arrogant and stubborn would choose to spend more and get less like we do w healthcare.