 The supply chain could be facing the most disruption since the COVID pandemic. Itendra Chaturvedi is an ASU professor who specializes in supply chain issues. And he said on PBS's Arrows on the Horizon that Houthi rebels are attacking the Suez Canal. Suez Canal today carries 12 to 15 percent of all the traffic. And Houthis are targeting that supply chain, that jugular at this moment. Just to give you an idea, it's about a trillion dollars worth of material that flows through that pipeline every year.