This paper proposes an alternative reading of the politics of the 2017 French presidential election, using an unstudied source of information on voters' preferences: experimental data on approval voting. We provide a new narrative of the election process and outcome. The principal approach for understanding the political context has for many decades been a distinction between left and right-wing political forces. We introduce a method for generating an endogenous political axis, and construct three indices so that we might understand how and why the conventional approach has become progressively irrelevant. We find no gender effect, but instead an age effect. Voters, especially those who belong to generations at the beginning or the end of ...