Let's imagine your company relies on a major transportation hub or port of entry. You get a call in the middle of the night - that hub is shut down for ten days. Do you know who to call? Do you have a plan?

Those aren't hypothetical questions for anyone in El Paso, where the airport was suddenly closed last week. It reopened after a few hours but it's a good example of the need for diversification and trust in your supply chain and professional relationships. We're joined by Dr. Pam Zelbst, a professor of supply chain management, and Dr. Ryan Randa, the research director for the Institute for Homeland Security and an associate professor of criminal justice and criminology. Also, here are some links to news articles about the closure from The El Paso Times, Wall Street Journal and NBC News.