It’s a tableau no world leader — except perhaps President Donald Trump — wants to repeat. Convening in the Canadian Rockies for this week’s Group of 7 summit, presidents and prime ministers are hoping to avoid the acrimony that pervaded the last time this country played host to the world’s most exclusive club.

When U.S. President Donald Trump last came to Canada for a Group of Seven summit, the enduring image was of him seated with his arms folded defiantly as then-German Chancellor Angela Merkel stared daggers at him.