LONDON - Critics of a U.S.-backed plan to build a pipeline transporting Caspian Sea oil to Western consumers are urging the World Bank (news - web sites)'s private investment arm to delay a decision on whether to help finance the $3.6 billion project. Environmentalists and human rights groups contend the pipeline, which would carry crude from Azerbaijan to Turkey's coast, endangers villages and wildlife in its path, and could spark conflict in a region already seething with ethnic tensions. The International Finance Corp., the World Bank's Washington-based private investment arm, was to have made a decision this week on lending...