By Jacob UnruhDel City High School athletic director and football coach Mike Dunn returned to Oklahoma last year after spending the previous 11 years as an assistant high school football coach in Texas.With a possible teacher walkout approaching April 2, Dunn wrote an essay to The Oklahoman about his experience in both states and how he feels about the possible walkout.Here is that essay in its entirety.“I’ve been asked about the differences between Texas and Oklahoma for a teacher and coach.Read more on NewsOK.com