Hour 1: Pulitzer Prize-winner Dave Barry joins us this hour to talk about his newest book, You Can Date Boys When You’re Forty (Putnam), ahead of his upcoming visit to Dallas.

Hour 2: Before Christianity, thousands of gods were worshiped across the world. This hour we’ll talk with Selina O’Grady, author of And Man Created God: A History of the World at the Time of Jesus (Picador), about how certain religions have survived.

Hour 1: This hour we’ll speak with Sheila Heen, co-author of “Thanks for the Feedback: The Science and Art of Receiving Feedback Well.”

Hour 2: This hour we’ll speak with Svante Pääbo, geneticist and author of Neanderthal Man: In Search of Lost Genomes, about investigating our past by researching Neanderthal genomes.

Hour 1:Texans vote on Tuesday to decide which candidates will advance from the primaries to the general election. We’ll talk about the most hotly contested races this hour with Gromer Jeffers of The Dallas Morning News, Erica Grieder of Texas Monthly and Shelley Kofler of KERA.

Hour 2: We’ll talk this hour with John D. Mayer, psychologist and author of Personal Intelligence: The Power of Personality and How it Shapes Our Lives (Scientific American), to find out how our individual personalities affect the way we make decisions and interact with others.