Barack Obama: “We must fix the failures of No Child Left Behind.”

helped lead some of the most significant movements for change in human history

it was nevertheless important that we all play a part in assuring that our elected officials are accountable.

I obviously have a room in his head.

Of course, we did not accomplish everything we set out to do. No administration does. Some of the exhibits reflect unfinished business, in some cases, my own shortcomings and mistakes, in some cases because - as a sign I kept on the…