The Source

Monday - Thursday from 3-4 p.m. on KSTX

The Source is a daily, one-hour call-in talk program that gives listeners in San Antonio the opportunity to call and connect with our in-studio guests and city-wide audience.

The Source seeks to give life, context and breadth to the events and issues affecting San Antonio by bringing newsmakers and experts to the public, and highlighting the people being affected by the news of the day. Hosted by veteran journalist David Martin Davies, and produced by Kim Johnson and Jan Ross Piedad.

Tune in to The Source for insightful discussion and analysis on topics that matter to residents of the Alamo City.

Support for The Source comes from contributors to the Community Engagement Fund, including The Gladys and Ralph Lazarus Foundation.

Contribute to the conversation:

Got an idea for a show or want to suggest a must read? CLICK HERE 

Be sure to note if you have extensive experience or expertise on a particular show topic and include your phone number as we may call you for more information on your comment or story.

Ways to Connect

Joey Palacios / Texas Public Radio

New appointments to the city's Planning Commission are on hold after some city council members expressed concerns that its composition does not represent San Antonio geographically and lacks diversity in expertise. 

Public Domain

Election Day is finally over. Some people in San Antonio are celebrating, others are reeling and everyone wants to know – what do these election results mean for the future of our city, state and nation?


*Local election recap 0:00-15:00; state recap 15:00-29:30; national recap 29:30-end.


From Nevada to Florida, energy issues are on citizens' ballots this Election Day. What will the outcomes in other states mean for Texas, moving forward?

Guests: (CC BY-NC-ND 2.0)

This Election Day, nine states will make choices about legalizing marijuana, either for recreational or medical use. We discuss the pros, cons and what these policies could mean for Texas.


Crown Random House

Algorithms are "weapons," says data scientist Cathy O'Neil. From deciding educational opportunities to personal finance and health insurance, information fed into computers has the power to affect society.

O'Neil talks to ​The Source about the pros and cons of so-called "big data."