The current world order is fragile, and President-elect Donald Trump has shown himself to be sensitive, antagonistic, and gleeful about turning existing dynamics upside-down. How could this affect the United States' role in defusing international conflicts? Dan De Luce, chief national security correspondent for Foreign Policy magazine, runs through a few scenarios. "The executive branch has expanded dramatically," said De Luce. "We are a long way from where we were when this country was founded and the president has enormous power in foreign policy." For the Spiel, the big headlines of 2017.

Learn more about your ad choices. Visit podcastchoices.com/adchoices