ShannonBy: Frank Delaney In the summer of 1922, Robert Shannon, a Marine chaplain and a young American hero of the Great War, lands in Ireland. He still suffers from shell shock, and his mentor hopes that a journey Robert had always wanted to maketo find his family roots along the banks of the River Shannonwill restore his equilibrium and his vocation. But there is more to the story: On his return from the war, Robert had witnessed startling corruption in