New rules designed to thwart bioterrorists could disrupt U.S. food imports, industry representatives told a congressional panel Friday. Federal authorities will begin full enforcement in mid-August of a requirement that those exporting food to the United States give American inspectors advance notice before shipments arrive. Products shipped without prior notice will be refused entry. Widespread confusion about the new rules creates the potential that legitimate food imports could be delayed or denied entry into the United States, importers, distributors and other food industry executives said at a House Energy and Commerce health subcommittee hearing. Full Story