In the wake of two mass shootings at a school in Texas and a grocery store in upstate New York, those directly affected shared their tragic stories and called for legislative action to a House committee. You’ll hear several heartbreaking testimonies today, as CNN Political Director David Chalian explains the progress made so far by lawmakers on potential gun reform. Some of what you’ll hear is graphic – please listen with discretion and care.To learn more about how CNN protects listener privacy, visit cnn.com/privacy