As twilight envelopes the German capital, Olaf Scholz stands on the balcony of his chancellery, peering into the distance past a turtlenecked Frenchman gesticulating at his side.

EU leaders left myriad questions unanswered Friday as they concluded a summit in Prague, delaying final decisions on combating sky-high energy prices to future meetings. Attention now turns to a formal EU leaders’ summit on October 20 and 21.