The societies of Western Europe – “Old Europe”, as George W. Bush’s Secretary of Defence, Donald Rumsfeld, called it – has lived for three full decades through what one might call a “crisis of social conflict”. That doesn’t necessarily mean that the level of conflict has become lower – even if the hypothesis seems true for a fraction of this period – but rather that the conflict has become less structured and so less easy to grasp. We can say that “today’s world resembles the one in which classical Marxism emerged. In other respects, it is significantly different – above all, no doubt, in the absence of a clearly identified ‘subject of emancipations” (Keucheyan, 2014). This empirical work of identifying “grips” is more indispensable than ev...