EP 135: Mark Hendren from Helena High School

He shot highlights for ESPN as a teenager. He built a career across four TV stations in Birmingham. And he learned to do all of it because the guy who was supposed to show up one night... didn't. Mark Hendren is three years into the classroom at Helena High School in Alabama, and he's thinking hard about how to give today's students the same thing someone gave him: a reason to say yes before…