Here’s Historian Scott Reynolds Nelson from a recent essay in Foreign Policy that I could not recommend more:

Since the beginning of the 19th century, the United States has suffered six economic depressions—which I define as six or more quarters of sustained economic contraction, although there is no standard definition. All but one were either directly caused or significantly worsened by tariffs and trade embargoes.

And, here’s Stephen Maher in the Sunday Times, with a great primer for a UK audience, on the state of the Conservative Party of Canada and national politics more generally:

The Conservatives never win seats in central Toronto, Montreal or Vancouver, and spend a lot of time talking about the desirability of pipelines, which is of practical interest only to people in the oil-producing provinces, where the Conservatives already dominate.