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The Source
Monday-Thursday from noon-1 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.

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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Support for The Source comes from Texas Mutual Workers' Compensation Insurance.
Support for The Source comes from UT Health San Antonio.
Latest Episodes
  • After President Trump ordered Texas to immediately redistrict its congressional map to deliver five additional Republican congressional seats, California Democrats responded with their own redistricting scheme. How does gerrymandering work? Why is this allowed? What does this mean for a viable democracy?
  • Electricity costs have risen 5.5% in the past year, nearly double the national inflation rate. And they are projected to continue to climb. According to a new study, one driver of higher power bills is how the public is subsidizing the energy bills of some of the largest Tech companies in the world. Meanwhile cheap renewable energy (like solar and wind) is being outlawed by the Trump administration.
  • The race is on to get humans to Mars. But what will they find? Not little green men, despite that’s what many believed about the red planet. In the early 1900s it was thought that Mars was inhabited and was home to a utopian society in the grip of a planet-wide drought. How did Mars mania grip the nation, influence pop culture and give us cause to stare into the night sky and wonder?
  • Last summer, 273 people were killed, and 596 were seriously injured in DUI-alcohol related crashes in Texas. And there were 327 DUI-alcohol related traffic crashes over Labor Day weekend in Texas in 2024, causing 10 deaths and 36 serious injuries. Texas law enforcement agencies this week are launching “Drive Sober, No Regrets,” a campaign to keep drivers from getting behind the wheel while under the influence of alcohol.
  • San Antonio Mayor Gina Ortiz Jones joins "The Source" to discuss whether the city should have its own referendum to commit public funds to Project Marvel, a proposed downtown development that would include a new home for the San Antonio Spurs.
  • As a new academic year begins for Texas schools, one major change is coming: House Bill 1481, which takes effect this fall. It aims to create phone-free classrooms across the state. The legislation is designed to protect students from digital distractions and online harm. Maurine Molak of David’s Legacy Foundation has been a driving force behind the new law.
  • The Children’s Bereavement Center of South Texas in San Antonio has a team in the area impacted by the flooding along the upper Guadalupe River. They have been serving dozens of families dealing with the devastating loss of kids following flooding disaster in Kerrville and surrounding areas.
  • California Democratic lawmakers are moving forward with a plan to redistrict the Golden State in a move to counter the Texas Republican redistricting effort.
  • Former County Judge and former San Antonio Mayor Nelson Wolff explains his support for Project Marvel. Wolff is encouraging the San Antonio City Council to move forward with an agreement with the Spurs organization.
  • The organ transplant is a modern medical miracle that saves lives, but it is losing critical public confidence. Now Health and Human Services Secretary Robert F. Kennedy Jr. is calling for reforms.