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.  If you've got a question you'd like the Trump100 team to answer, you can email it to [email protected].              Don't forget, you can also watch all episodes on our YouTube channel.