Al talks to Michael Mann, Nobel Prize-winning climatologist for his work with the Intergovernmental Panel on Climate Change (IPCC). We cover a lot of ground. How to talk about climate change to your crazy right-wing climate-denying uncle. “Uncle Hal, sea level is rising. For two reasons. Ice is melting. And water expands when it gets warmer.” If Uncle Hal insists sea level is rising because of all the rocks falling into the ocean, then just give up. We talk about how climate used to be a bipartisan issue, but since Citizens United, the Koch Brothers have threatened to primary any Republican who acknowledges the science. Addressing climate change has become a victim of our tribal politics. The answer right now? Win.