United States December 1, 2017 7:05 am Substitute Teacher Shortage Leaves Denton ISD Scrambling When Teachers Call in This school year, the Denton Independent School District had more absences than substitute teachers to fill vacancies. Wake Up to Something Good 1:56 pro-Palestinian protestors walk out at University of North Texas 2:20 Dallas seeks to use old hospital for homelessness 2:19 Mail carrier delivers lost World War II letter 1:07 Video shows new hawk hatchling in its nest 2:05 Convicted murderer awaits punishment sentence