New York Times: Michael Polsky’s wind farm company was doing so well in 2008 that banks were happy to lend millions for his effort to light up America with clean electricity. But two years later, Mr. Polsky has a product he is hard-pressed to sell. His company, Invenergy, had a contract to sell power to a utility in Virginia, but state regulators rejected the deal, citing the recession and the lower prices of natural gas and other fossil fuels. “The ratepayers of Virginia must be protected from costs for…