Today on Boston Public Radio:

We begin the show by talking with listeners about Kansas voters deciding to protect abortion rights in their state in the face of a potential abortion ban.

Art Caplan talks about TV personality and Pennsylvania senate candidate Dr. Mehmet Oz’s history of dubious medical claims, and President Joe Biden’s COVID-19 rebound case. Caplan is the Drs. William F and Virginia Connolly Mitty Professor and founding head of the Division of Medical Ethics at NYU School of Medicine in New York City.

Juliette Kayyem discusses recent catastrophic flooding in Kentucky, and the state of abortion rights in Republican-dominated states. Kayyem is the former assistant secretary for homeland security under President Barack Obama, and the faculty chair of the homeland-security program at Harvard’s Kennedy School of Government. Her most recent book is “The Devil Never Sleeps: Learning to Live in an Age of Disasters.”

Lyndia Downie updates us on the state of homelessness in Boston, following record heat in the area. Downie is the president and executive director of the Pine Street Inn.

Rick Steves shares travel tips and tricks from his most recent tour through Europe. Steves is an author, television and radio host, and the owner of “Rick Steves’ Europe” tour group. You can catch “Rick Steves’ Europe” weeknights at 7:30 p.m. on GBH 2, and his radio show “Travel With Rick Steves” on Sundays at 4 p.m. on GBH 89.7. His latest, the six-hour mini-series “Rick Steves Art of Europe,” will be available to stream to GBH members starting in October.

Meredith Goldstein talks about her latest “Love Letters” columns offering love and relationship advice. Goldstein is a features writer for the Boston Globe, where she authors the “Love Letters” column, and hosts the “Love Letters” podcast.

We end the show by asking listeners for their thoughts on Boston’s booming rat population.