Teacher's lesson goes viral

(KUSA) A Colorado teacher wanted to find a way to better understand her students, and the result, shared on Twitter, is both heart-wrenching and moving.Kyle Schwartz teaches at Doull Elementary in Denver's Harvey Park neighborhood.Doull's students are primarily Hispanic, with about 90 percent receiving free or reduced lunch programs through DPS.A few weeks ago, Schwartz asked her students to complete the sentence "I wishy my teacher knew..." and began tweeting about the project, calli