TEEN IS TROUBLED BY FRIEND'S ASSAULT ON HER LITTLE SISTER 친구가 여동생을 폭행하는 것을 보고 십대가 괴로워합니다 DEAR ABBY: I'm a 15-year-old girl in high school. Two days ago I went to my friend "Kate's" house to work on a school project. After we started working on it, Kate's sister, "Nell" -- who is 9 -- accidentally stepped on the poster board and bent it a little. I..