The Rundown: Climatologist Michael Mann on Deniers, Climate Security and More

Today on the program we’re joined by Dr. Michael Mann, a well known climatologist who helped pioneer methods to track global temperatures and climate change across centuries. Dr. Mann is also the author of the book The Hockey Stick and the Climate Wars: Dispatches from the Front Lines. We’ll talk about climate deniers, climate conflicts, and the potential for america to lead in finding a solution. Plus your local headlines.