Itziar Barrios Granados/High Country News

After Trump threatened Canada, a writer discovers the uncertainty of the state’s food supply chain.

It’s hard to remember now — a lot has happened since — but there was a time, back in February and March, when things got rather heated along the traditionally friendly, extremely long and largely unguarded Canada-U.S. border.

In response to President Donald Trump’s tariff threats and talk of annexing Canada, provincial liquor authorities stripped…