It is the world's longest pipeline, built during the Soviet era, and its official name is Druzhba, meaning Friendship.But given the nasty trade dispute between two former Soviet republics, which has disrupted refined oil and gas supplies to Europe, it could be renamed the Brinkmanship pipeline.At stake is the reliability of energy supplies from Russia flowing through Belarus to Europe. Also in question is the government of Belarussian President Alexander Lukashenko, referred to by the United… more