Arne Duncan: “If in the end we have just improved test scores and have not moved more children from poverty through education--we have…”

We cannot postpone providing every child with a world-class education.

Well, it's unbelievably disturbing and infuriating, and obviously, she is lying. Obviously, there's no science there. And not only is she fundamentally dishonest, she is dangerous.

This is absolutely an investment, not an expense.

What is more important to me is what is actually happening to real students.