Canada’s prime minister, Mark Carney , has appointed a former supreme court justice and war crimes prosecutor as the country’s new governor general, saying her appointment would reflect the importance of global institutions. Louise Arbour, a celebrated jurist, served as United Nations commissioner and prosecuted war crimes in the former Yugoslavia and Rwanda, will serve as Canada’s representative of King Charles III . “Louise Arbour will represent the best of Canada to Canadians and to the world. A country that’s a bastion of security, prosperity and justice – a beacon to a world lost at sea. A Canada that is clear-eyed about the challenges we face and steadfast in the values we uphold,” Carney said in Ottawa as he announced his pick on Tuesday. Arbour will succeed Mary Simon, who became the first Indigenous person to hold the title when she was appointed by then prime minister Justin Trudeau in 2021 . At age 79, Arbour is the oldest person to be appointed to the role.…