China’s government drew a line in the sand Friday, saying it would remain neutral if North Korea attacks the U.S. but would defend its Asian neighbor if the U.S. strikes first, Chinese state media reported. The Chinese response follows a week filled with a number of hot-headed proclamations between North Korea and the U.S. On Wednesday, North Korea released a statement saying it would follow through with a plan to launch four missiles toward the U.S. territory of Guam by mid-August Meanwhile, other Asia-Pacific countries have come out in support of the United States. Japan’s defense minister, Itsunori Onodera, said...