In democracies, it is an article of faith that nobody – not even the national leader – is above the law. As with most articles of faith, expedient exceptions are made. What impact does accountability have?

Explainer 502: The two-man rivalry fuelling South Sudan’s civil war
06:31

Live from Nuuk: Trump’s threats grip Greenland
41:39

Explainer 501: Why does Trump really want Greenland?
08:25