In the latest episode of what has been a multi-year saga of escalation and antipathy, China confirmed on Friday 13 December that it had reached a tentative trade agreement with the United States. This followed promises of a similar sort from President Donald J Trump on Twitter the day before that sent financial markets rallying, and had the California wine industry tentatively breathing sighs of relief.
In 2018, fulfilling a promise he made to address the trade deficit...
