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The Source

David Martin Davies
The Source
Latest episode

339 episodes

  • The Source

    CPS Energy responds to Abbott's plan to privatize the SA electricity market

    08/17/2026 | 24 mins.
    Governor Greg Abbott is calling for the San Antonio electricity market to be opened up to private for-profit power companies. CPS Energy is the largest municipally owned electricity provider in the nation, and each year contributes about half a billion dollars to the city’s general fund. CPS Energy joins us to explain what Abbott’s proposal could mean for your power bill and for funding city programs.
  • The Source

    D7 Councilmember Alderete Gavito warns of possible cyberattacks on local utilities

    08/17/2026 | 24 mins.
    San Antonio Councilwoman Marina Alderete Gavito is calling for renewed scrutiny of cybersecurity protections at the city’s municipally owned water and electric utilities following attacks on water systems in Minnesota.
  • The Source

    Texas' complicated history

    08/17/2026 | 49 mins.
    Texas history is more than just history. It’s filled with myth— and amnesia—that provides a permission structure which fuels conservative politics. It also has a powerful influence on the nation as a whole. In his book Texas: An American History, Benjamin Heber Johnson shines new light on Texas history—while seeking to balance the dark chapters of Texas history and not letting them overshadow the achievements of the lone star state.
  • The Source

    The hidden costs of extracting natural resources

    08/12/2026 | 50 mins.
    Over just the last 50 years, humanity as taken more out of the earth than in all the rest of human history combined. The wounds left behind by this extraction — mines, oil wells, quarries, poisoned rivers, hollowed-out industrial towns — now form the true map of our civilization and our age. What can we learn by confronting these ruins?
  • The Source

    Extreme heat threatens health and may accelerate aging

    08/11/2026 | 25 mins.
    As record high temperatures continue to rise around the globe this summer, many communities are faced with a common challenge: how to stay safe from extreme heat.In the U.S., extreme heat has claimed more than 21,000 lives since 1999. UT San Antonio researchers are working to better understand extreme heat’s impact and to develop strategies to protect the most vulnerable residents.
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About The Source
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.The show is hosted by veteran journalist David Martin Davies.Tune in to The Source for insightful discussion and analysis on topics that matter to residents of the Alamo City.Contribute to the conversation:Call or text during the live show at 833-877-8255.Leave a voicemail at 210 615-8982 anytime. Submissions may be played on-air.Email comments to thesource@tpr.org.
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