Rail worker strike could imperil $2b per day

It’s time to take another crash course, because a major supply chain interruption could be around the corner. Starting today, US railroads said they would delay shipments of some materials in advance of a potential strike by more than 90,000 rail employees.
Over the past several years, supply chain disruptions in power grids, semiconductors, and Suez Canals have taught us about the under-the-radar industries that keep the economy functioning.