Germany's leading energy expert says she's living in a nightmare. What's worse, she saw it coming. Germany had vowed to ditch coal but is now restarting mothballed, coal-fired power stations For 15 years Claudia Kemfert says she tried to warn politicians and the public that the country was too reliant on Russian energy. Until recently Germany bought more than half of its gas from Russia. She advised Berlin to find other sources and focus more on renewables. And she warned against the construction of the Nord Stream 1 pipeline through which Germany receives much of its gas. "That's what I...