The new Japanese prime minister sparked a diplomatic flare-up late last week, when she said that an attack by China against Taiwan could lead to a military response from Japan. China’s foreign ministry is demanding that Prime Minister Sanae Takaichi retract her “egregious” remarks or “bear all consequences.” The back and forth also comes at a time when Taiwan’s leaders are stepping into the international spotlight to talk about the importance of defending democracy. The World’s Matthew Bell reports.