The disruption caused by Houthi attacks on cargo ships in the Red Sea is forcing U.S. retailers to rethink how they handle back-to-school and holiday shipments, according to the National Retail Federation.The Red Sea is an important shipping conduit for the Suez Canal, a vital artery for global trade. While the overall volume of U.S. trade that transits the Suez Canal is only about 12%, the impacts of the Houthi attacks are being felt far and wide, Jonathan Gold, the trade group’s vice president of supply-c ...