MOUNT MERAPI, Indonesia - Scientists warned Tuesday that erupting Mount Merapi still posed a deadly threat to villagers living on its lava-scarred slopes, even as volcanic activity eased. Clouds of searing hot gases and debris continued to stream down the mountain, but not as far or as often as they did Monday, which saw the most violent activity in several weeks. "That is Merapi," said Ratdomopurbo, the region's chief vulcanologist, who uses a single name. "She is always fluctuating." A large, unstable lava dome perched on the crater formed by magma from within the volcano remained in place and could...