One Wall Street Democrat, who has held big jobs in Washington and at some of America’s top financial institutions, told me President Barack Obama had alienated the business community by speaking about “the rich.” It would be best not to refer to income differences at all, the banker said, but if the president couldn’t avoid singling out the country’s top earners, he should call them “affluent.” Naming them as “rich,” he told me, sounded divisive—something the rich don’t want to be.
Well he could have used the term “bourgeoisie”, which would probably be most appropriate, but that would have gone over...