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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.
Ways To Subscribe
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Support for The Source comes from Cappy’s Restaurant, serving contemporary American cuisine, thoughtfully executed. Featuring a curated wine list and over 40 varieties of bourbon and scotch. More information at cappysrestaurant.com
Latest Episodes
  • Five local artists worked with the San Antonio River Foundation to design and install public art pieces across the San Pedro Creek Culture Park.
  • Heart disease is the leading cause of death for both men and women in the United States. Nearly one in every four deaths is attributed to it, according to the U.S. Centers for Disease Control and Prevention. Knowing the warning signs is crucial.
  • Just 70 miles north of the U.S.-Mexico border is a land littered with the dead who feel short in their attempt to find a better life in the United States. Brooks County, Texas is a barren scrub brush desert that U.S. immigration policy takes advantage of to raise the death toll for migrants. And the numbers of fatalities keep rising.
  • What happens to our trash? Why are our oceans filling with plastic? Do we really waste 40 percent of our food 65 percent of our energy? Waste is truly our biggest problem, and solving our inherent trashiness can fix our economy, our energy costs, our traffic jams, and help slow climate change—all while making us healthier, happier and more prosperous.
  • On Monday the moon will block out the sun and put parts of Texas into darkness. The day of the total solar eclipse is almost here. And we are being gripped by Eclipse mania. If you haven’t made your plans, it’s not too late to find a front-row seat to the greatest show not on earth.
  • The discussion of the climate crisis can be too abstract. Data warns us of an overheated future, but it's hard to communicate the seriousness and the urgency to take action. But look around now and you will see the changes to our seasons and from the accumulating damage from worsening weather disasters—and the people who are being forced to pick up the pieces if they can. Stories from the front line of the climate crisis from small town America
  • Every major American city has a highway tearing through its center. Seventy years ago, planners sold these highways as progress, essential to our future prosperity. Instead, they divided cities, displaced people from their homes and chained us to our cars. Nowhere is this more visible than in Texas, up and down I-35. Where is the off ramp from the highway trap?
  • More than 100,000 people in the U.S. need an organ transplant, but there is a shortage of donors. Could the solution be found in pigs? The early success of the first transplant of a pig kidney into a living human points to a future when xenotransplantation could be routine.
  • It was about this time four years ago that we were all witnessing the spread of COVID-19 and the response —masks, social distancing and a lot of uncertainty. We are still healing from that societal experience. We got some things right and some things wrong. What did we learn from the COVID pandemic?
  • The difference in turnout between white and nonwhite voters has soared since 2008, especially in regions once covered by strict Voting Rights Act protections. A new report from the Brennan Center shows since the Supreme Court’s 2013 decision in Shelby County v. Holder, the white-Black voter turnout gap has widened.