It’s a bizarrely romantic, if slightly unbelievable, image of the moment at which Germany’s economic future was linked inextricably to renewables.

Yet regardless of who was present for the decisive moment and what was in their glasses, Merkel’s nuclear apostasy was actually forged during countless hours of debate with Norbert Röttgen, her right-hand man and current environment minister — and the person whom many pundits expect to succeed her as head of the Christian Democratic Union (CDU) party.

History