Plot: Sheridan's House? The Place: Grand Ronde, Oregon Although the locals have little interest in this abandoned Dutch Colonial Style home, new research suggests the house may originally have been built as officer quarters for the Union Army by a young Philip Sheridan, before he became a famous general. Mark Twain Watch? The Place: Oregon The grandson of prominent Oregonian Captain Ainsworth wants to know if his watch was a gift from noted American author Samuel Clemens