Minutes before President Trump was preparing Wednesday to reassure a skittish nation about the coronavirus threat, he received a piece of crucial information: The Centers for Disease Control and Prevention had identified in California the first U.S. case of the illness not tied to foreign travel, a sign that the virus’s spread in the United States was likely to explode. But when Trump took to the lectern for a news conference intended to bring transparency to the spiraling global crisis, he made no explicit mention of the California case and its implications — and falsely suggested the virus might soon...
