I posted about this same child before, but things are just getting worse. I have a little one who will be 2 next month. For the past month she has been bullying the other kids. It started with kicking, hitting, pulling hair. Then that stopped and now for the past 2 weeks she has picked one victim and regularly screams at her, which causes this poor little 18 month old to cry every time. She does it intentionally to make her cry. I have tried time-outs in the kitchen alone, I've tried ignoring completely and just comforting the victim, I've tried tons of positive reinforcement when she is nice to her friends, I've tried talking sternly and explaining why we don't scream at our friends. I even had my teenaged son who she adores, talk to her about it. Nothing works! She is unphased by any time-outs or loss of toys, etc. She understands completely that she shouldn't and that she should be "nice" to her friends. She is very smart and talks quite well. I am at a loss and quite frustrated as it is so unfair to the other child. I do have other behavioural issues with this same child, but this one is the worst. Any suggestions?