Quad-City Times: The No. 2 executive in state government told an Iowa tax group Thursday the state’s income tax code is too complicated, too costly and in need of modernization to better address the demands and challenges of a rapidly evolving digital economy. “The Iowa code needs to recognize that the marketplace is fundamentally different today,” acting Iowa Lt. Gov. Adam Gregg told the Iowa Taxpayer Association’s annual meeting. “We didn’t have a ‘Cyber Monday’ 100 years ago.”