European leaders said they’d get to work on proposing new strategies after natural gas talks between Russia and Ukraine collapsed in Vienna. European Commission Vice President Maros Sefcovic met in Vienna with Russian Energy Minister Alexander Novak, his Ukrainian counterpart, Vladimir Demchyshyn and Andriy Kobolev, the chief executive officer at Ukrainian energy company Naftogaz. The energy relationship between Ukraine and Russia has been strained at least since 2006, when Ukrainian debt issues prompted Russian energy company Gazprom to cut gas supplies through Ukraine. The European economy gets about a quarter of its natural gas from Russia, though most of that runs through the Soviet-era pipeline network in Ukraine. The European Commission has acted as a mediator to bilateral talks that began in March […]