Police follow driver coming off highway onto municipal streets. Officer notes vehicle traveling on wrong side of road and observes damage to front passenger side when vehicle makes wide turn. After traffic stop officer sees fresh vomit on side of truck outside driver’s window and detects strong odor of alcohol, slurred speech and glassy/bloodshot eyes. Arrest follows roadside fields sobriety tests. Booking process is aided by on call Portuguese interpreter. Defense challenges field sobriety test instructions without interpreter and uses booking video to depict driver’s apparent sober demeanor and behavior. Not Guilty verdict following trial.