No evidence needed as these are mere distractions.
"I think that if we get a good public option it could lead to single payer and that is the best way to reach single payer. Saying youll do nothing till you get single payer is a sure way never to get it. I think the best way were going to get single payer, the only way, is to have a public option and demonstrate the strength of its power."
This is where we are headed and the above quote is the evidence.
Above quote: Barney Frank, July 2009.
Why would anybody want ‘single payer’?