Editorial: Almost a decade of neoliberal austerity measures imposed by successive national governments and European politico-economic elites have contributed to social fragmentation and to established forms of representative democracy losing their legitimacy. The rise of populist nationalism across the continent leaves a polarized and radicalized Europe facing existential challenges. Almost a decade of neoliberal austerity measures imposed by successive national governments and European politico-economic elites have contributed to social fragmentation and to established forms of representative democracy losing their legitimacy. The rise of populist nationalism across the continent leaves a polarized and radicalized Europe facing existential challenges.Almost a decade of neoliberal austerity measures imposed by successive national governments and European politico-economic elites have contributed to social fragmentation and to established forms of representative democracy losing their legitimacy. The rise of populist nationalism across the continent leaves a polarized and radicalized Europe facing existential challenges.Almost a decade of neoliberal austerity measures imposed by successive national governments and European politico-economic elites have contributed to social fragmentation and to established forms of representative democracy losing their legitimacy. The rise of populist nationalism across the continent leaves a polarized and radicalized Europe facing existential challenges.Almost a decade of neoliberal austerity measures imposed by successive national governments and European politico-economic elites have contributed to social fragmentation and to established forms of representative democracy losing their legitimacy. The rise of populist nationalism across the continent leaves a polarized and radicalized Europe facing existential challenges.Almost a decade of neoliberal austerity measures imposed by successive national governments and European politico-economic elites have contributed to social fragmentation and to established forms of representative democracy losing their legitimacy. The rise of populist nationalism across the continent leaves a polarized and radicalized Europe facing existential challenges.Almost a decade of neoliberal austerity measures imposed by successive national governments and European politico-economic elites have contributed to social fragmentation and to established forms of representative democracy losing their legitimacy. The rise of populist nationalism across the continent leaves a polarized and radicalized Europe facing existential challenges.Almost a decade of neoliberal austerity measures imposed by successive national governments and European politico-economic elites have contributed to social fragmentation and to established forms of representative democracy losing their legitimacy. The rise of populist nationalism across the continent leaves a polarized and radicalized Europe facing existential challenges.