CBS Sunday Morning, July 18, 2021

<p>In our cover story, Ben Tracy examines how the American West is suffering from a catastrophic megadrought. Plus: Erin Moriarty explores why two men wrongfully-imprisoned for decades in Missouri are not being allowed to go free; Seth Doane talks with actor Matt Damon about his new film, "Stillwater"; Mo Rocca sits down with 93-year-old jazz singer Marilyn Maye; Conor Knighton explores UNESCO's World Heritage Sites; filmmaker Josh Seftel's mom prepares for an in-person reunion after a year of quarantine; and Lee Cowan visits a spectacular light show put on by synchronous fireflies. Lee Cowan hosts this week's "CBS Sunday Morning." </p><p>See Privacy Policy at <a href="https://art19.com/privacy" rel="noopener noreferrer" target="_blank">https://art19.com/privacy</a> and California Privacy Notice at <a href="https://art19.com/privacy#do-not-sell-my-info" rel="noopener noreferrer" target="_blank">https://art19.com/privacy#do-not-sell-my-info</a>.</p>