Bulgaria halts work on South Stream gas pipelinehttp://news.yahoo.com/bulgaria-halts-south-stream-gas-pipeline-165658594--finance.html;_ylt=At6Wmew8xCZLjqGSlp.ZbnfQtDMD;_ylu=X3oDMTBsaGVqY3E0BGNvbG8DYmYxBHBvcwMxBHNlYwNzcg--