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.
Support for The Source comes from Texas Mutual Workers' Compensation Insurance.
Support for The Source comes from UT Health San Antonio.
Latest Episodes
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In recent months the United States has witnessed a resurgence of protesters taking to the streets calling for change on social, political and environmental issues. These marchers are walking in the footsteps of other protesters who fought for civil rights, labor and peace. What makes a protest successful? How can a mass demonstration lead to substantial and long-lasting change. We discuss "A Protest History of the United States" by Gloria J. Browne-Marshall. -
As President Donald Trump renews calls for the United States to “claim” Greenland, international law is emerging as the central constraint. It’s clear under international law and the UN treaty that military force and global intimidation cannot be used to change borders in the modern era. -
According to a recent study many Latino communities are dealing with unsafe levels of microscopic airborne pollutants. These pollutants penetrate deep into the lungs and bloodstream and can contribute to asthma, lung cancer, strokes, and neurological disorders. -
What does science tell us about aging and trying to improve our health? We know that exercise is one way to hold off the worst effects of aging, but how much exercise do we need and how much does exercise really help? What other anti-aging interventions are available? There is growing consensus on what reliably works, what is promising but unproven, and what remains hype. -
Five years after a pro-Trump mob stormed the U.S. Capitol to halt certification of Joe Biden’s 2020 victory, a political battle has intensified over how January 6, 2021, should be remembered — and what it means going forward. -
The future of work is going to be about advanced manufacturing — cyber security and cyber control, A.I. — robotics, and space. Where will San Antonio fit into that world? Alamo Colleges District is preparing the local workforce for these jobs. -
As buying a home has become out of reach for so many, some families are having to rent to maintain shelter. But in Texas it's become easier for tenant families to be evicted. A new law, SB 38, empowered property owners to expel “squatters” and also weakened rights of renters. -
A new comprehensive history of Mexico argues the republic has been a major player in shaping the globe, from its silver fueling global trade to its progressive social positions. "Mexico: A 500-Year History," casts Mexico in a new light. -
What's the future of San Antonio's Rainbow Crosswalk and the proposal for a rainbow sidewalk? Pride San Antonio joins "The Source" to explain the politics of expressions of inclusion. -
Kathy Rogers is the former executive director of the Alamo Trust. She resigned in late 2025 under pressure from Lt. Gov. Dan Patrick, Rogers advocated for a broader historical story of the Alamo. Now she is fighting back with a lawsuit claiming First Amendment violations to reclaim her job.
