TEHRAN, Iran -- Iran successfully tested its second new torpedo in as many days Monday, the latest weapon to be unveiled during war games in the Gulf that the military said are aimed at preparing the country's defenses against the United States. A spokesman for the elite Revolutionary Guards suggested the new, Iranian-made torpedo was more powerful and capable of going deeper than others in its arsenal. Gen. Mohammad Ebrahim Dehghani told state television the ship-launched weapon can target submarines at any depth and is powerful enough to "break a heavy warship" in two. He did not give the name...