OTTAWA — Canada's foreign affairs minister says there is a high legal threshold for proving claims of genocide, though the Liberal government isn't taking a clear position for or against South Africa's case against Israel at the top United Nations court. "We will follow the proceedings of South Africa's case at the International Court of Justice very closely," Joly wrote in a statement released Friday, which came days after peer countries weighed in on the case in more definitive terms. South Africa's lawyers argued in the court Thursday that Israel's bombardment of the Gaza Strip, and its siege on the...