Gov. Tim Pawlenty is standing by his decision to ignore a federal request for input on a key piece of health care reform. The Department of Health and Human Services had asked states for their recommendations on "insurance exchanges." These are online marketplaces where consumers can compare and buy health plans. Pawlenty opposes health reform. He said today (Friday) exchanges are big government interfering with the free market. But three years ago, Pawlenty advocated a similar idea. Elizabeth Stawicki reports: During his radio show today, Gov. Tim Pawlenty expanded on why he decided against sending in a Minnesota health department report about health insurance exchanges. He said the best insurance exchange is the free market: