The ruling coalition of Japanese Prime Minister Sanae Takaichi has swept the lower house election, according to exit polls, implying a potential defence build-up as the country’s leader doubles down on her stoic stance on China. The ‍conservative Takaichi, Japan’s first female leader who says she is inspired by Britain’s “Iron Lady” Margaret Thatcher, was projected on Sunday to deliver as many as 328 of the 465 seats in parliament’s lower house for her Liberal Democratic Party. The LDP alone...