United Press International: Energy is one of the few divisive issues in what has so far been a rather cozy German election campaign. When it comes to Germany’s future energy mix, all parties agree on one thing: Renewables are to play a significant role. There is one energy source, however, that the country is at odds over — and that’s nuclear energy. The energy source is revived in most of Europe but remains highly controversial in Germany. It’s one of the very few divisive issues in what has so far been …