Last October, after an out-of-control dump truck heading north on Massachusetts Route 57 careened through a stop sign, failed to make a sharp left turn, and slammed through the front wall of the New Boston Store in Sandisfield, Mass., proprietor Susan Murray knew just what to do. She and her husband, Peter, turned off the power, discarded any food that might have been contaminated in the crash, and called local builder Steve DellaGiustina to temporarily tarp off the damaged area. Although the invasion was unwelcome, it could not have been called a surprise. The historic structure had been struck by...

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