President Trump refuses to rule out invading Greenland following revelations that his aggression towards the self-governing territory is a response to being denied the Nobel Peace Prize by Norway. We are now facing the very real possibility that the US will attack a NATO ally, putting everyone in a unique and untenable situation. Should the EU send troops to Greenland? As both a NATO member and a US neighbour Canada is faced with a serious dilemma. Andrew argues that we have to be an ally, and that means drawing a land in the snow and showing up for Greenland. It is now clear that NATO is hanging by a thread. What will be its successor? And what should we make of Trump’s new ‘Board of Peace’ which critics believe is his attempt to undermine the United Nations?