Marshfield, a seaside retreat famous for its beaches, hotels, and ocean views, has always shone in summer. It was the home of some of the country's leading families, specifically the Winslows and the Websters, and worldrenowned concert singer Adelaide Phillips, as well as the site of the first radio broadcast in America, engineered by Reginald Fessenden at Brant Rock on Christmas Eve 1906. Today the town's various villages retain the identities that...