Indonesian police said Thursday they had uncovered a huge stash of explosives linked to a terror suspect whose wife blew herself and a child up following a dramatic standoff at their home.The discovery of some 300 kilograms (660 pounds) of assembled explosives and bomb-making materials raised fears that a major attack was being planned, a month before national elections and less than a year after Indonesia was rocked by a wave of deadly suicide bombings.The suicide blast early Wednesday morni