keep up withtoday's live events with live streams from the u.s. congress , white house events, the courts, campaigns and more in the world of politics all at your fingertips and also stay current with the latest episodes of washington journal and live billing information for c-span tv networks and c-span radio plus podcasts. c-span now is available at the apple store and google play. your front proceed to washington anytime, anywhere. >> there are a lot of places to get political information but only at c-span do you get it straight from the source. no matter where you are from world away you standon the issues, c-span is america's network . unfiltered, unbiased, word for word

keep up withtoday's live events with live streams from the u.s. congress , white house events, the courts, campaigns and more in the world of politics all at your fingertips and also stay current with the latest episodes of washington journal and live billing information for c-span tv networks and c-span radio plus podcasts. c-span now is available at the apple store and google play. your front proceed to washington anytime, anywhere. >> there are a lot of places to get political information but only at c-span do you get it straight from the source. no matter where you are from world away you standon the issues, c-span is america's network . unfiltered, unbiased, word for word. if it happens here or here or anywhere that matters. america is watching on c-span . powered by cable. >> we welcome back patrick penfield of syracuse university, professor of supply chain practice to talk about the supply chain in the us and how it impacted by things including russia and ukraine. >> thanks for having me. >> thank you for coming back. let's start with the s