Canada is 'never for sale' - but will Trump listen?

Canada's Prime Minister Mark Carney told Donald Trump "some places are never for sale" as he visited the White House for his first talks with the US president. Our US correspondents James Matthews and Martha Kelner discuss the sometimes-awkward exchange between the two leaders.  
 
And as Trump has teased a big announcement in the next few days, Martha and James discuss what it could be. 
 
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