Posted on · Mark Kistler of Tomball taught kids how to draw in 3D on his public television series The Secret City, and he's still at it today.
Posted on · On Tuesday's Houston Matters: We get an update on the lawsuit Harris County has filed over the opioid epidemic. Then, we examine the security of Texas voting machines. Plus, Ed Mayberry talks about his 47 years in radio. And we catch up with "Commander Mark" who taught kids how to draw on public television in the 80s and 90s.