U.S. President Trump is vocalizing an increasingly bellicose stance on the future of Greenland, as he mulls over a potential takeover of the Arctic land. Coupled with the recent capture of Venezuelan President Nicolás Maduro, his latest string of actions are triggering questions and theories about what the White House may have in mind for Canada. David Carment, a Professor of International Affairs at Carleton University, joins Andrew Pinsent on CFRA Weekends.