I still cannot tell, three years after that strange spring, what it was that happened in the small town where I am sheriff. But perhaps you are wiser than me. If I tell you the story, perhaps you can explain it to me.Ole Tonnesen was found hanging from his grain silo on a Sunday morning in early April. He was a 37-year-old farmer who had inherited his farm a few years earlier. He left behind a wife, who had recently begun preparations for their copper...