US supply chain under threat as unions, railroads, clash

Even the threat of a work stoppage could tangle the nation's supply chain as railroads will freeze shipments of chemicals and other goods that could create hazards if disrupted midway to their destination.

US supply chain under threat as unions, railroads, clash
Even the threat of a work stoppage could tangle the nation's supply chain as railroads will freeze shipments of chemicals and other goods that could create hazards if disrupted midway to their destination.