While significant majorities of Americans voice opinions one way or another on the recent health care bill majorities are also clueless about what's exactly in it.
See this Pew Researh Center report for detail.
For 2301 (the public opinion section) it is worth wondering what drives people's opinions about the bill. Studies suggest opinion leaders (like Rush Limbaugh or Michael Moore) are why. When it comes to detailed information about items we'd rather not investigate ourselves, we'll adopt the opinion of the opinion leaders we most identify with.