Tariffs: It's a bad day for the US markets

US markets are down today after President Trump refused to rule out recession in an interview — could uncertainty over tariffs and the economy be fuelling the decline? The Nasdaq suffered its worst day in several years, closing down by four percent.

How are the on-again, off-again tariffs affecting businesses? Rahul Tandon speaks to an American seafood wholesaler who imports oysters from Canada.

And President Trump wants to take over Greenland - why?