SCITUATE — A 22-year-old Foster man was arrested and charged with driving under the influence Monday after, the police say, he drove a pickup truck across a lawn and into a swimming pool on Central Pike.At about 1:30 a.m. Monday, the police were called to the house, located about 300 yards off the road, where they followed the "circuitous tracks" of a vehicle across the lawn, according to a news release from Scituate Police Chief Donald R.