The legendary red room of the Zénith concert hall in Paris, which has welcomed the likes of AC/DC, Lady Gaga, and David Bowie, is starting to fill up slowly. Between 3,000 and 4,000 people gathered on Thursday evening to see the European elections candidate representing the French Socialist Party (PS-PP), 44-year-old essayist Raphaël Glucksmann. The young and old intermingled, waving European flags against the vivid backdrop of the French Socialist Party’s pink and yellow colours. The slogans “Tax the Rich” and “Waking up Europe” appeared almost everywhere. At the foot of the stage, a star-stu…