Police stop driver on highway for speeding which exceeds for than 30 MPH over the posted limit. Officer notes driver’s glassy eyes, slurred speech and odor of both marijuana and alcohol. Driver admits to smoking earlier in the day, and only drinking hours before she left Boston for NH. Defense prepared to challenge field sobriety evidence based on client’s relatively good performance in high heel boots in freezing temperatures. One of State’s necessary witnesses fails to appear for trial. Aggravated DUI and DUI charges dismissed.