Why the Supply-Chain Bottleneck Shifted to the East and Gulf Coasts What's Going on With Shipping? August 23, 2022 In this episode, Sal Mercogliano - maritime historian at Campbell University and former merchant mariner - reviews the recent Wall Street Journal video "How Supply-Chain Bottlenecks Shifted to East and Gulf Coast Ports, by providing more information on why this occurred and what is the forecast for this ending in the near future.