For a list of various national polls showing broad public support for single payer healthcare, see the following page:

http://wpasinglepayer.org/learn-about-single-payer/poll-results-on-single-payer

People who make the claim that single payer is “not feasible” rely on the “work” of Celinda Lake. An extensive study of her methodology and conclusions can be found at

http://www.pnhp.org/news/2008/december/americans_support_si.php