Enforcing Montana’s statewide mask mandate is part of supermarket manager John Steenwyk’s job. It puts him in the crosshairs of anti-maskers, and while he tells them a lot of things to convince them to wear masks, there’s one thing he won’t say to them, even though he could.  CNN Senior Writer Thomas Lake tells the story of a battle over masks playing out in a grocery store at the edge of Yellowstone National Park. To learn more about how CNN protects listener privacy, visit <a href="https://cnn.com/privacy">cnn.com/privacy</a> Learn more about your ad choices. Visit <a href="https://podcastchoices.com/adchoices">podcastchoices.com/adchoices</a>

Former CDC Directors Speak Out

All over the world, there are people who are living extraordinary lives, full of happiness and health – and with hardly any heart disease, cancer or diabetes. Dr. Sanjay Gupta has been on a decades-long mission to understand how they do it, and how we can all learn from them. Scientists now believe we can even reverse the symptoms of Alzheimer’s dementia, and in fact grow sharper and more resilient as we age. Sanjay is a dad – of three teenage daughters, he is a doctor - who operates on the brain, and he is a reporter with more than two decades of experience - who travels the earth to uncover and bring you the secrets of the happiest and healthiest people on the planet – so that you too, can Chase Life.