Sinking the Lusitania is a Centenary year book which revisits the myriad questions surrounding the fatal voyage and the impact it had on the western world. The old rules of war sank with the Cunard liner on 7 May 1915. The bronze torpedo from the German submarine U-20 penetrated the hull and the secondary explosion ripped the bottom from the majestic ship and 1,200 lives were lost ten miles off the Old Head of Kinsale on Ireland's southern shores. What contraband war materials aboard could have created such horrendous destruction? The new rule was that there were now no rules. Charges were...