The world’s seven leading industrialized democracies are campaigning for warring parties to lay down their weapons during this summer’s Olympic Games in Paris. At the end of the summit of heads of state and governments of the Group of Seven (G7) on Saturday, host Giorgia Meloni, the Italian prime minister, said the entire group favours keeping the guns silent during the games. This demand is also included in the official final declaration. The Paris Olympic Games begin on July 16 and end on August 11. Meloni said the idea of a new Olympic Truce had been put forward by France in the G7 discussi…