Ukrainian President Volodymyr Zelensky on Wednesday implored an audience at the Venice Film Festival to resist indifference to his country’s conflict with Russia as the months-long war rages on. Appearing on the festival’s Sala Grande screen, Zelensky told the global film industry audience that Russia is staging “a primitive plot in three acts for the world to make three dramatic mistakes. To get used to the war. To put up with the war. To forget about the war.” More than half a year since Russia first invaded, the war in Ukraine is “a drama based on real-life events” that is...