In my piece today:

Last week, protests broke out again in Europe, from Rome to London. The month-long Occupy Wall Street demonstrations in New York have spread. The current unrest follows this summer’s riots in London and flash-mob incidents in U.S. cities. In 2009 and 2010, tea parties turned out hundreds of thousands in protests against the Obama administration’s policies and eventually gave him the largest midterm rebuke since 1938.
All of these protests, of course, are vastly different — or are they really?

Read on here.