Today's episode of Katie was dedicated completely to last Friday's Sandy Hook shooting. Katie Couric spoke with a handful of people during the show: a pastor, a family who lost a child at Columbine, but nothing was more heartbreaking than hearing from two families who had lost children just three days ago.

Robbie Parker, the father of one of Sandy Hook Elementary's young victims, gave a heartbreaking speech to the media Saturday evening after officials released the names and ages of those killed in the shooting. The speech is devastating. Fighting back tears, Parker described his six-year-old daughter Emilie's life,…