Missing Argentine submarine had reported electrical malfunction

By Walter Bianchi and Maximiliano RizziMAR DEL PLATA/BUENOS AIRES, Argentina (Reuters) - An Argentine military submarine reported an electrical problem and was headed back to base when it went missing last week in the South Atlantic, the navy said on Monday, while storms complicated efforts to find the vessel and its 44 crew members.Hopes for a successful search for the ARA San Juan submarine, which went missing last Wednesday off the Argentine coast, waned on Monday when the navy said satellite