The country has become more prosperous, as measured not by income but by consumption: In constant dollars, consumption by people in the lowest quintile rose by more than 40 percent over the past four decades.
Income as measured by the federal government is not a reliable indicator of well-being, but consumption is. Though poverty is a problem, it has become less of one.
Wilson's Washington Post article is very much worth your time. Wilson's thoughts relate to what we said Saturday about Reagan's views.