Place publique's centre-left party leader and France's MEP Raphael Glucksmann (L), flanked by Mayor of Rouen Nicolas Mayer-Rossignol (R) and Yannick Jadot (C), march as they take part in a May Day (Labour Day) rally, marking International Workers' Day, in Rouen, northern France on May 1, 2026 (Photo by Lou BENOIST / AFP via Getty Images)