David Leonhardt’s front-page New York Times article, “The Case for $320,000 Kindergarten Teachers,” seems to have knocked everyone out of their mid-summer daze. “Fairly explosive” is how he describes the recent—as yet, unpublished—findings, by Harvard economist, Raj Chetty, and colleagues, which may help to put another nail in the coffin of the fade-out argument for [... click post title to read more ...]