Why is US president Donald Trump eyeing up Greenland? And if it’s not for sale, would he take it by force? Andrew Mueller explains the likelihood of an old-school territorial conquest.

Explainer 509: Is Cuba next on Trump’s hit list?
07:06

Iran: Are the US and Israel fighting the same war?
43:50

Explainer 508: How did rapper Balen become prime minister of Nepal?
06:38