This live article is freely available to our registered users. Please log in or create an account. Unrivalled Xi-Trump summit analysis: get real-time updates and exclusive boots-on-the-ground reporting from our US and China bureaus. Subscribe now with great savings to stay ahead. This is the final day of Chinese President Xi Jinping and first lady Peng Liyuan’s visit to Washington, following a day in which Xi and US President Donald Trump discussed Taiwan and reached a “new joint arrangement” on...