US President Donald Trump has reignited global controversy by openly pushing for US ownership of Greenland, arguing it is essential for American and global security. Speaking before world leaders at the World Economic Forum in Davos, Trump ruled out military force—but paired that assurance with stark economic threats, deepening tensions with Europe, NATO allies, and even members of his own party.  

Guest: Elizabeth Sidiropoulos: Chief executive of the South African Institute of International Affairs