The leaders of the G7 group of wealthy nations came together in Bavaria’s luxury resort of Schloss Elmau on Sunday for the first of a three-day summit they hope will signal international unity in the face of Russia’s war in Ukraine. Speaking after the first round of talks with the leaders of Britain, Canada, France, Italy, Japan and the United States, German Chancellor Olaf Scholz pointed to “slowing economic growth, rising inflation, shortages of raw materials and disruption of supply chains.” “These are all not small challenges that we are facing … but I am very, very, very confident that …