Mark Carney has backtracked on his support for the US military campaign against Iran.In an initial statement on Sunday, the Canadian prime minister expressed “support” for the attacks and said they were necessary to “prevent Iran from obtaining a nuclear weapon”.But speaking in Sydney on Wednesday, he told reporters that the strikes appeared “to be inconsistent with international law”.Mr Carney joined a chorus of world leaders speaking out against the joint US-Israeli operation, which entered its fifth day on Wednesday.Emmanuel Macron, the French president, said on Tuesday that while Iran bore responsibility for the war, the attacks by the US...