Washington, Oct. 30 -- Donald Trump and Xi Jinping are set to finalise a detente as they meet Thursday in South Korea, putting the world's biggest trade fight on hold - at least for now. Initial signals indicate the two are readying a pact that could see a rollback of some tariffs, fees and export restrictions linked to fentanyl, sale of TikTok's US operations, and China's plan to require licences for goods with even a trace amount of its rare earths.P13...