It's an axiom of business theory that change is continual in market economies, but as economist David H. Wang points out, there's change that corporations and citizens can prepare for, and then there's change that few expect. The latter is, by its nature, Wang says, more disruptive - - driving companies out of business, compelling triage-like changes in business models of others, while also triggering wholesale changes to family budgets, career paths, and students' educational objectives.
Wang groups change in three categories: cyclical (as in the business cycle), technological (such as the Internet, car, telephone, electrification, railroad etc.), and structural (globalization, Cold War, Marshall Plan, Bolshevik Revolution, the Enlightenment, Protestant Reformation, etc).

To say current economic conditions are challenging the acumen of those who are charged with adjusting to them or planning for them would be an understatement.
A journalism professor of yours truly, Jon Sandberg, who also served in key positions for several Connecticut governors, had an interesting technique that he frequently deployed in seminars. A student would pose a question and Sandberg would say, "That's a good question. Is it acceptable and ethical to publish information that you know would show ethical and other lapses by the current president, if you know that information would also harm innocent individuals?
"My Maserati does one eighty five,

