I'm nearly sick to my stomach about my situation ...have a 15 (almost 16 yr. old) who consistently defies our authority. Of course, I could run down the whole list and check nearly every Bipolar/ADHD/ODD symptom. When do you know these kids need more help than you can give them?
I would say you are at that point now (i.e., you probably need some outside assistance).
The solution to your situation will need to be twofold:
1. Pharmacotherapy -- you may want to take your child to a psychiatrist, especially if he has symptoms of bipolar
2. Parental interventions -- click here