Trumpism, democratic backsliding, illiberalism, authoritarianism, populism, cyberlibertarianism, anti-modernism… The news regularly invites us to apply these concepts to discourses, institutional practices, political policies, or ideologies, whether in a neutral attempt to describe them or in a more critical effort to express concern or denounce them. Both intellectually valuable and civically relevant, this book clarifies these concepts while shedding light on the connections between two sets of phenomena that merit joint examination.