Bob Davis and Lingling Wei are award-winning journalists at The Wall Street Journal, and authors of a new book, Superpower Showdown: How the Battle Between Trump and Xi Threatens a New Cold War, which was published this month by Harper Business. The book describes in great detail the battle that was touched off soon after President Trump took office. And it ends with the sudden expulsion of Wei, an American journalist, along with other American journalists, from China. What follows is a lightly edited Q&A. Bob DavisIllustration by Lauren Crow Q: One of the curious things about your new book is that, in addition to being the tale of a high stakes trade war, you each have an interesting family background that, in some ways, made you the ideal partners to cover the trade war for The Wall Street Journal. Can you tell us a little about that? Davis: Our two stories represent something about the U.S.-China relationship in a remarkable kind of way. In my case, my father was a lugg