mr. hadley, according to the cpo report, how much did we spend on health care in 2017. >> 3.5 trillion. >> how does that $3.5 trillion annually. >> that is 2017. >> so over ten years, if we contin continue, maybe we compare to other pure developed countries. >> significantly higher than what other countries are paying for their aelt systems, so the current system cost $$3.5 trillion. we have 29 million people without insurance, and another 44 million that are under insured. almost a quarter of our country is unable to access health care. is a single payer system capable of providing coverage for everyone in achieving universal health care? >> yes, a single payer system could can achieve universal health care. >> so the question and the response what do you sni. >> yeah, i think if you are willing to spend an unlimited amount, you can certainly do whatever you want, the question is how much money does that for other public priorities. education, transport, defense, already if you look at budget projections for the existing medicare budgets that are out there, we're going to struggle to mee