A Danbury man who allegedly was throwing things at a car on the highway last week has been arrested for driving under the influence and driving without a license.  State Police charged 18-year-old John Victor Medeiros Thursday.  Troopers received a report of a driver throwing things on Route 7.  The car was located a short distance away.  Medeiros is scheduled for arraignment on the 28th.  According to court records, Medeiros was arrested in Danbury five months ago on burglary and similar charges, in addition to tampering with a motor vehicle.