The world's a mess. The great powers today, the Chinese and the Americans, seem to disagree on most things. The UK has left the EU and the Europeans are split North against South, East against West. China's pushing its neighbors. Russia's pecking at Europe's borders. Although each of those has its own story, is there something more fundamental going on? Are the geopolitical tectonic plates shifting?

In this episode of New Thinking for a New World Alan Stoga looks for answers from Robin Niblett, who has led Chatham House, one of the world’s premier think tanks, since 2007 and is an expert on British, European and American foreign policies.