Indonesia prepares for another massive tsunami

  Hardest-hit nations work to establish warning systems.

By Chris Brummitt Of The Associated Press | Two years after an earthquake off western Indonesia unleashed a monster tsunami, scientists expect the same fault to rupture again within the next few decades — and this town stands to take the full force of the waves.They predict a large swath of Sumatra island's densely populated coast just south of the tsunami-hit area will be pounded by a giant wall of water.