Joined by NPR science reporter Jason Beaubien, the discussion centers on Jimmy Carter's remarkable legacy in global health, particularly his relentless battle against Guinea worm disease. Beaubien highlights Carter's post-presidential humanitarian work that significantly reduced cases worldwide through clean water initiatives. They delve into the lifecycle of the Guinea worm, the people affected, and how collaboration nearly led to eradication, marking a historic achievement akin to smallpox eradication.