In his later years, Jürgen Habermas was sometimes described as “the last European” – a reference to his passionate commitment to the ideals of the European Union (although not always its modern reality). The great German philosopher was also the last surviving exemplar of a generation of postwar intellectuals formed by the experience of the second world war. Like Jean-Paul Sartre in France, Habermas was as at home in the public square as the seminar room, debating the future of a continent that needed to be rebuilt ethically as well as physically.

In the new age of unreason, where brute exercise of power is explicitly prized above the force of moral argument, the loss of any such figure is to be mourned. But Habermas’s death at the age of 96, as the US and Israel wage an illegal war of choice, and the far right is in the ascendant........

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