A New Milford man has been arrested for allegedly hitting his roommate with a hatchet.  Police responded to Housatonic Avenue Monday night on a report of a verbal argument that turned physical.  58-year old Morris Bothwell was charged with assault and disorderly conduct for allegedly attacking his 54-year old roommate.  The victim was transported to Danbury Hospital in stable condition with a leg laceration. Bothwell was held on $100,000 bond and will be arraigned today.