On this week's "60 Minutes," Anderson Cooper goes inside the dramatic missions to Mars by the tiny helicopter Ingenuity and the rover Perseverance. He reports that NASA's dramatic landing on the Red Planet in February wasn't as smooth as it may have seemed to people watching at home. In a two-part report, Jon Wertheim story of the "Ritchie Boys," a group who used their knowledge of German language and culture to gather more than half the combat intelligence on the Western Front.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.