If walls could talk, what stories would they tell? During the Civil War, Union soldiers occupied the region of Helena, Arkansas. They quartered inside a Greek Revival-style home that belonged to a local Confederate soldier. It was a stately mansion built in 1858, with a robust pediment and tall, elegant columns on its facade. Union Gen. William Sherman is said to have stayed in the home while planning his battles. When the house went up for sale, Laine and Kevin Berry—avid lovers of old houses with history and fine craftsmanship—couldn’t resist. When the couple first viewed the house, they were stunned. Etched glass panels glimmered in the dining room’s double doors, depicting two Biblical figures, Ruth and Naomi, standing on pedestals and surrounded by ornate leaf patterns. Later, the couple went looking through the home’s records and discovered that Laine has ancestry in common with its previous owners. The papers …