The destruction that followed, Mr. Isinger found, was not “not out of Diefenbaker’s vindictiveness” but was “simply due to bureaucratic standard operating procedure.”

Read: Hunting for a Canadian Legend: the Avro Arrow Jet Fighter

Office Hunting

Amazon, the online retail giant, is shopping. It wants to supplement its current head office with a second one somewhere else in North America. The location was not limited to the United States. That led several Canadian mayors to say that they plan to make bids to host the complex, which holds out the promise of 50,000 jobs and a $5 billion investment.

My colleagues at The Upshot, who specialize in making sense of data, took Amazon’s criteria and crunched the numbers to help the company with its selection. (Hint: the prospective winner is in a Western state with lots of altitude.) Canadian cities weren’t included in the data sets available to The Upshot so Canada was excluded. But MountainMath, a data analysis company in Vancouver, British Columbia, picked up the task. Its Canadian winner is not one that comes up frequently in most speculation: Calgary, Alberta. The consensus in the Canadian news media is that the country shouldn’t be counting its chickens.

Read: Dear Amazon, We Picked Your New Headquarters for You

Read: Amazon Plans Second Headquarters, Opening a Bidding War Among Cities

Dusty Files

