Monday, October 5th 2020, it is 10.30 am. The history and geography teacher of the fourth year of the  Bois-d'Aulne secondary school in Conflans-Sainte-Honorine is going to teach moral and civic education. He has decided, in accordance with the programme, to tackle the issue of freedom of  expression. He has been preparing his lesson for a long time, he is proud of it, his name is Samuel  Paty...