Xi Jinping is usually touted as the most powerful Chinese leader since Mao Zedong. How has he pulled power into his hands, and is there a reaction to his strength? Richard McGregor discusses this, as well as looks back at his popular book The Party, ten years after its publication. Meanwhile, Japan and South Korea are falling into a trade war; is it about economics or the poor political relations between the two? How low will relations between America's two closest allies sink?