Sprung vs Brooks

You may recall that Andrew Sprung cast doubt on David Brooks' assertion in a recent column that a new book by Stephen Rose showed that  "over the last 10 years, 60 percent of Americans made more than $100,000 in at least one of those years, and 40 percent had incomes that high for at least three." David responded with a direct quote from the book:

"Another way to look at incomes over many years is to see how often people experienced high and low incomes. Indeed, fully 60 percent of adults had at least one year in which their incomes were at least $100,000" (p. 119)

Sprung recanted, not having a copy of the book in front of him. Now he does have a copy of the book in front of him. The sentence above is of course accurate. Then it gets interesting ...