Sarah Cliff, an investigative health care reporter, discusses the alarming rise in private insurers denying drug coverage, detailing frustrations faced by patients. Radley Horton, a climate professor, highlights extreme weather trends affecting urban areas, linking them to climate change and the need for better adaptation strategies. Marion Nestle, a nutrition expert, analyzes the sugar debate, focusing on the shift from high fructose corn syrup to cane sugar due to health and political reasons, while emphasizing the broader implications for public health.