North of San Antonio, an explosion at a federal express facility raises new challenges in the investigation of Austin’s serial bomber. Also joining us, the head of the House Homeland Security Committee Texas congressman Michael McCaul on the federal response to the bomb attacks in the Texas capitol city. Also, is Mexico finally getting the upper hand on the drug cartels? We’ll explore some new developments that have put the question back on the table. And a pedestrian in Arizona killed by a self driving car: should we tap the brakes on the development of autonomous vehicles? Those stories and so much more today on the Texas Standard: