File photo: A gas worker walks between pipes in a compressor and distribution station of the Urengoy-Pomary-Uzhgorod gas pipeline, some 30 km (19 miles) from the south western Russian city of Kursk January 4, 2006. REUTERS/Sergei Karpukhin/File Photo By Vladimir Soldatkin and Dan Peleschuk MOSCOW/KYIV – Russian gas exports via Soviet-era pipelines running through Ukraine […]