CNN poll: Wide margin of support for public option

Now thinking specifically about the health insurance plans available to most Americans, would you favor or oppose creating a public health insurance option administered by the federal government that would compete with plans offered by private health insurance companies?

Favor - 55%
Oppose - 41%
No opinion - 4%

CNN poll by Opinion Research, 1,010 adults, 8/28-31, +/- 3 pts (PDF):