Years of multinational efforts have failed to get China to play by the international rules of trade. Now, President Trump has launched an all-out trade war in which the United States is confronting China on its own. Guests: Natalie Kitroeff, a business reporter for The New York Times, spoke with Peter S. Goodman, an economics correspondent. For more information on today’s episode, visit nytimes.com/thedaily. Background reading:The intensifying trade war between the United States and China, the two largest economies on earth, has become the biggest threat to the global economy.Both countries seem to be hardening their positions in ways that will be difficult to resolve with the mutual face-saving that typically facilitates trade deals.