The federal healthcare overhaul aims to drastically reduce the number of Americans who don't have insurance. As Minnesota officials gear up to promote the importance of health insurance, market research indicates even subsidized health plans will be a tough sell with some people. Market research indicates many uninsured people are deeply skeptical of health plans, public and private. Some have been dumped out of government programs because of changes in their finances. Others have been denied coverage due to pre-existing health conditions. And some just found coverage too expensive or not worth the cost