Several Minnesota business leaders told a top U.S. trade official yesterday Mon that they could use more help from Washington. U.S. Undersecretary for International Trade, Grant Aldonas, is touring the country to hear from American manufacturers. In Minnesota, many believe the present and future of manufacturing are tied to medical devices and biotechnology. But six leaders in the field told Aldonas the government is not always giving them the support they need. Minnesota Public Radio's Jeff Horwich reports.