Doris Cohen to her daughter, Lisa.
Dr. William Lynn Weaver remembers one Christmas when he was 18 years old in Knoxville, Tennessee.
Avielle Richman was one of the children killed in the shooting at Sandy Hook Elementary School on December 14, 2012. She was six years old. Her parents, Jeremy Richman and Jennifer Hensel, recorded this remembrance.
Greg Gibson speaks with Wayne Lo, the man who murdered Gibson's son Galen, in a shooting at Bard College at Simon's Rock in 1992.
Christopher Harris remembers the early days of the AIDS epidemic and his work with the Atlanta Buyers Club, which distributed medication from the black market to people with HIV before the drugs had been approved by the FDA.