Is the U.S. is headed into a new Cold War?

David Sanger thinks so. After four decades at The New York Times, he may be America’s most experienced national security reporter, and he thinks superpower conflict is back. He describes how the U.S. overestimated the democratizing power of globalization, underestimated the ambitions of Russia and China, and what, if anything, can be done to counter the “grand delusion” that kept so many smart observers from seeing this new era coming.