Å·ÃÀ¿Ú±¬ÊÓƵ business leaders remain positive but optimism is cooling for the state and national economy in the fourth quarter, according to the University of Å·ÃÀ¿Ú±¬ÊÓƵ Boulder Leeds Business Confidence Index survey released today. Å·ÃÀ¿Ú±¬ÊÓƵ Boulder economist Richard Wobbekind (WAH-Be-kin), says the lack of legislative action by Congress and the president this year is a cause of concern.