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The Source
Monday-Thursday from noon-1 p.m. on KSTX
Hosted by David Martin Davies

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.
Ways To Subscribe
Stay Connected
Support for The Source comes from Texas Mutual Workers' Compensation Insurance.
Support for The Source comes from UT Health San Antonio.
Latest Episodes
  • A group of protestors gather outside City Hall to hold a rally saying 'Deport All Muslims' on the 25th Anniversary of the September 11 attacks on the World Trade Center, New York, NY, September 11, 2026. New York City Mayor Zohran Mamdani, who is a Muslim, has been criticized for attending the 9/11 Memorial ceremony with world leaders.
    Texas policies targeting Muslim institutions raise constitutional questions
    Texas is seeing anti-Muslim political rhetoric move beyond campaign speeches and social media and into policy decisions affecting public-school curriculum, facilities and access to the state’s new private-school voucher program. Does the rise of anti-Muslim public policy in Texas violate the U.S. Constitution?
  • U.S. Defense Secretary Pete Hegseth delivers a speech during an observance ceremony marking the 25th anniversary of the September 11, 2001 attack on the Pentagon, in Washington, D.C., September 11, 2026.
    Hegseth’s anti-DEI campaign alarms Black military personnel
    Defense Secretary Pete Hegseth’s campaign to eliminate diversity programs is prompting concern among Black service members who say their qualifications and patriotism are being called into question. Writing in The Atlantic, Clint Smith said many of the roughly two dozen Black military personnel he interviewed felt disrespected or pressured to leave.
  • Bo French controversy exposes Republican divisions before election
    A controversy surrounding Republican Railroad Commission nominee Bo French is highlighting divisions within the Texas GOP as the November election approaches. Scott Braddock, editor of the Quorum Report, breaks down the politics of Texas and why French's social media post is creating so much controversy.
  • District 9 Councilmember Misty Spears
    D-9 Councilmember Misty Spears on closing SA's budget gap
    San Antonio District 9 Councilmember Misty Spears is calling for deeper spending reductions as the city confronts a projected $158 million budget gap over two years.
  • How AI could be used to strengthen democracy
    In "Reboot: AI and the Race to Save Democracy" author Beth Simone Noveck argues if democracy is to survive the AI era, pro-democracy advocates must use the technology to increase government accountability, transparency and outreach.
  • Ken Salazar calls for inclusion and unity in America
    Former U.S. Ambassador to Mexico, U.S. Senator, and U.S. Secretary of the Interior Ken Salazar joins "The Source." He shares his unique perspective on the U.S.-Mexico relationship, the border and immigration — and his belief that America’s diversity is its superpower. Salazar says it’s time to end division in the nation and come together.
  • Heavy social media use linked to anxiety and suicidal thoughts in young people
    Young people who spend much of their day on social media are considerably more likely to experience anxiety and suicidal thoughts, according to a new study from UTHealth Houston.
  • A man walks past damaged houses following deadly flash floods and a mudslide, in Devighat, Nuwakot district, Nepal, September 8, 2026.
    Nepal’s glacier disaster offers warning of warming world
    The recent Nepal catastrophic high-altitude glacier collapse triggered massive flash floods resulting in over a thousand deaths and thousands more missing. Many scientists attribute the tragedy to global warming and warn it could be the "tip of the iceberg" of things to come due to climate change.
  • Latino voters emerge as key midterm battleground
    The Latino vote could be a wild card in the midterm elections. South Texas Latino voters swung sharply toward Donald Trump in 2024, but polling now shows many are dissatisfied with the president. They’re concerned about the economy and affordability, mass deportations and the war with Iran. Latino vote expert Mike Madrid joins The Source to break it down.
  • Activists celebrate after relocating the Pride flag to the original pole, while people gather at the Stonewall National Monument, where the LGBTQ+ rights movement was born, to raise a Pride flag after authorities removed it from the Greenwich Village site in New York City, U.S., February 12, 2026.
    Why Trump is trying to rewrite American history
    Recently the slavery exhibit was removed at Independence National Historical Park, The Pride flag was removed at Stonewall National Monument and at the Smithsonian references to President Trumps impeachments were taken down. We hear from Jason Stanley, the author of “Erasing History – How Fascists rewrite the Past to Control the Future.”