Exactly a week ago today, you would have found me in New Orleans with a colleague at an oyster bar on the banks of the Mississippi, discussing the Dunning-Kruger effect. For those of you who are unfamiliar with the concept, it’s pretty simple. Basically, the...

It was not 9:30 AM yet. A woman approaches the information booth and identifies herself as the interpreter for the 10 AM. She sits down, makes herself comfortable. After all, she had over half an hour to kill. At 9:45, a man walks in. He makes...