The world this week
Politics The political leaders of NATO countries gathered in London for a meeting. Donald Trump sparred with both Emmanuel Macron, the president of France, who recently described the military alliance as being in a state of “brain-death”, and with Justin Trudeau, Canada’s prime minister, who was caught on camera mocking the American president. Despite these mini-rows, NATO, at 70 years old, is in better shape than it sometimes looks. Germany expelled two Russian diplomats in retaliation for the killing of a Chechen separatist in Berlin in August. The government has been slow to act over the case. Finland’s prime minister, Antti Rinne, resigned after a key political ally withdrew support. He had been in office for just six months. The prime minister of Malta, Joseph Muscat, said he would stand down, though not until…