(CNN)Ashley Judd and her family wanted the world to hear from them how Naomi Judd died. The younger Judd appeared in an interview with Diane Sawyer, which aired on Thursday on "Good Morning America." She said her family had agreed that she share the cause of death of her mother. "She used a weapon," Ashley Judd said. "A firearm. So that's the piece of information we are very uncomfortable sharing." She and her sister Wynonna Judd announced on April 30 that they had lost their mother "to the disease of mental illness." She was 76. Ashley Judd said she and...