Today on Boston Public Radio:

We begin the show by opening phone lines, asking listeners about America’s political divide.

Dr. Katherine Gergen-Barnett discusses the latest news on COVID-19 and monkeypox vaccines, and answers listeners’ questions in another edition of “Ask the Doctor.” Gergen-Barnett is the vice chair of Primary Care Innovation and Transformation and residency director in the Department of Family Medicine at Boston Medical Center and Boston University Medical School.

Callie Crossley talks about Meghan Markle’s Spotify podcast “Archetypes,” and a new Madame C.J. Walker Barbie doll. Crossley hosts GBH’s Under the Radar and Basic Black.

Micheal Twitty discusses the Jewish and African diaspora through his new book, “Koshersoul: The Faith and Food Journey of an African American Jew.” Twitty is a James Beard winning author, chef, and cultural historian. His new book is “Koshersoul: The Faith and Food Journey of an African American Jew.”

Eric Deggans shares his thoughts on the latest on TV, from “Better Call Saul” to “A League of Their Own.” Deggans is NPR’s TV critic and a regular on Boston Public Radio.

John Davidson reflects on his life and career, and his time hosting “Hollywood Squares.” He also performs a sampling of his music live at the Boston Public Library. Davidson is an actor, musician, and all-around entertainer who’s filled in for Johnny Carson, hosted shows like “Hollywood Squares,” “That’s Incredible!,” and “Time Machine.” Nowadays you can catch him performing music up at Club Sandwich in Center Sandwich, New Hampshire.

We end the show by asking listeners for their favorite summer drinks.