"Public opinion polls suggest that many consumers would like to have the choice of a public plan. But insurance companies and Republican lawmakers say a public plan could drive private insurers out of business and lead eventually to a single-payer system run by the government."
The "many consumers" mentioned are in the 55-65% range, depending on how the polling questions are asked.
Read the NYT article at http://www.nytimes.com/2009/05/30/health/policy/30health.html?hpw
And you are invited to see the whole "Duffer Plan" on single payer and how to make it happen at