A fed up teacher's post about disrespectful students and their parents is going viral. On March 28, Julie Marburger, a teacher in Texas, had had enough. She posted several photos on Facebook, including a lengthy post describing an experience with a parent who criticized her for disciplining a student child. "Teachers are some of the most kind and giving people I have ever met, yet they get treated so disrespectfully from all sides. Most parents can't stand to spend more than a couple hours a day with their kid, but we spend 8 with yours and 140 others just like...