If the retail issue can be resolved internally, with complex coalition politics still in play, it opens the door to a much wider free trade agreement between the European Union and India.

BBC: Blustery global trade winds

If Europe takes decisions slowly, it is partly because of Germany's complex federal structure and messy coalition politics.

ECONOMIST: The euro crisis

This is the sort of complex web of problems that the coalition faces.

NPR: Afghanistan Update: New Offensive Targets Taliban

German politicians are constrained by a complex federal system, a sceptical public, messy coalition politics and jealous institutions such as the constitutional court.

ECONOMIST: Why Germany seems not to want a quick fix for the euro crisis