Jeffrey N. Wasserstrom is the Chancellor's Professor of History at the University of California, Irvine. He has written, co-written, edited, or co-edited a dozen books. His most recent ones are, as author, Vigil: Hong Kong on the Brink (2020), and, as coauthor, the third edition of China in the 21st Century: What Everyone Needs to Know (2018). In addition to writing for scholarly periodicals, he often contributes to newspapers and magazines.