By Tehmina Kazi Thousands of people gathered in Paris on Sunday October 18 to pay tribute to Samuel Paty, the history teacher who was brutally murdered for showing Charlie Hebdo’s Mohammed cartoons in class. The protests were as much a display of unity in the face of collective grief, as they were a defence of freedom of thought and freedom of expression. Regardless of the background of these protesters – Algerian, Tunisian and Moroccan flags were being waved with pride – these values lie at the heart of what it…