The single best column out of Davos this year has to be Anya Schiffrin’s piece titled “Jealous Davos Mistresses.” Schiffrin, who is the wife of Joseph Stiglitz, describes the caste system created by the nametags handed out to attendees at the Davos World Economic Forum. Here is how it works: everyone at Davos has to wear a name tag and these are color coded by status/occupation (speaker, organizer, journalist etc). Usually these name tags include some kind of affiliation, such as the company or organization you work for. But wives’ name tags state only their name. This means there is...