Germany doesn’t have a reputation as a funny country, but its dark humour is currently shaming the best recent efforts of both Britain and the US. Not that there is a sudden bumper crop of talented comedians in Germany, but who needs them when reality itself is already so bleakly cartoonish? A few years ago, Germany seemed like it had all the answers: a robust economy and a stable and broad-based coalition against the far right. Now, the economy is faltering as the combined effects of mismanagement collide with a bureaucratic culture that makes investment and innovation difficult. Striking rail...