Today in Econ 101, we’re talking yield curve. In a typical economy, the longer a bond’s duration, the more interest it yields. The inverse — shorter duration, higher yields — usually means a recession is coming. We’ve been seeing an inverted yield curve in the U.S. financial system for nearly two years. So, where’s the recession? Also in this episode: Credit card delinquencies hit a 12-year high and we visit U.S. troops preparing for climate change.