The math behind the poverty line; Julie Andrews pens the history of 'Do Re Mi'

Supreme Court Justices heard arguments in two cases with major implications for whether race can be used as one factor in college admissions. Slate's Dahlia Lithwick joins us. Then, ahead of the November midterm elections, we are hearing how people want to prioritize inflation and the rising cost of living. Demographer Beth Jarosz with the nonprofit Population Reference Bureau dives into the math behind poverty lines. And, musical icon Julie Andrews and her daughter Emma Walton Hamilton wrote a kid's book, "The First Notes: The Story of Do, Re, Mi," which tells the story of the 11th-century monk who invented a system of musical notation that we use today. The authors join us.