Hallmark Hall of Fame: "Beyond the Blackboard" Preview

Inspired by a true story, "Beyond the Blackboard" is a heartwarming film about a teacher who is determined to transform a barren homeless shelter schoolroom into a warm environment where children can not only gain knowledge, but also self-respect. Don't miss the world premiere of "Beyond the Blackboard," airing Sunday, Apr. 24, on CBS. Find out more at: www.hallmark.com/online/hall-o...