On November 1st, the European Union will celebrate 30 years since its founding. On the same day, U2 will play another date of their glitzy residency in Paradise, Nevada. The timing of this concert, if not its Las Vegas location, could not be more fitting. Three decades ago, the band toured Europe with a warning about the dangers of violent nationalism and right-wing populism. Zoo TV’s stark message remains more relevant than ever as the EU faces a protracted war in Ukraine and a new generation of political extremists at home. U2 had originally looked to the United States for...