Beware the fury of a patient man: Michael Clemens on Millennium Villages

Michael Clemens at the Center for Global Development is a very calm,  judicious, sensible guy. But even he has finally lost patience with the lack of any serious evaluation of the Millennium Villages: Why a Careful Evaluation of the Millennium Villages is Not Optional

UPDATE (3/20, 8:16am) Chris Blattman adds his take on this.