STANFORD — The dysfunctional politics of Brexit in the United Kingdom, and the midterm election reaction against President Donald Trump in the United States, are generating second thoughts about the populist tide sweeping the world’s democracies in recent years.

CAMBRIDGE — The term “fake news” has become an epithet that US President Donald Trump attaches to any unfavourable story.

CAMBRIDGE — On a visit to Beijing in October, I was often asked whether US Vice President Mike Pence’s recent harsh criticism of China marked the declaration of a new cold war.

CAMBRIDGE — The key strategic issue in East Asia is the rise of Chinese power. Some analysts believe that China will seek a form of hegemony in East Asia that will lead to conflict.

CAMBRIDGE — In July, I joined 43 other scholars of international relations in paying for a newspaper advertisement arguing that the US should preserve the current international order.

CAMBRIDGE — By June 1 of this year, US President Donald Trump had made 3,259 false or misleading claims, according to The Washington Post Fact Checker’s database, which tracks and categorises every suspect statement uttered by the president.

CAMBRIDGE — It is frequently said that we are experiencing an information revolution. But what does that mean, and where is the revolution taking us?Information revolutions are not new. In 1439, Johannes Gutenberg’s printing press launched the era of mass communication.

CAMBRIDGE — For years, political leaders such as former US Secretary of Defence Leon Panetta have warned of the danger of a “cyber Pearl Harbour”. We have known for some time that potential adversaries have installed malicious software in our electricity grid.

CAMBRIDGE — Many experts have proclaimed the death of the post-1945 liberal international order, including the human-rights regime set forth in the 1948 Universal Declaration of Human Rights.