Anita Anand on whether internal trade is really the answer

Plus: TikTok helps drain global Guinness supplies. We reach a St. John’s pub owner who’s got problems ahead of Saint Patrick’s Day.  

Also: This week, only six of the 46 people who attempted an especially treacherous Yukon Arctic Ultra race crossed the finish line. Our guest tells us how she managed to stick it out, and why she's already gearing up for her next trek.