SEATTLE (AP) — A federal lawsuit filed Tuesday aims to keep one of the world's biggest methanol refineries from being built along the Columbia River in Washington state. Plans for the $2 billion refinery, shipping terminal and pipeline project in the small city of Kalama are already stalled after a state board required further environmental review. Conservation and public health groups, including Columbia Riverkeeper, the Sierra Club and Washington Physicians for Social Responsibility, sued in U.S.