Where has all the knowledge gone?

Jo Boaler wrote an interesting article in Education Week, which was published online on Friday. The article is entitled Where Has All the Knowledge Gone? The Movement to Keep Americans at the Bottom of the Class in Math. In the article she gives some interesting reflections concerning the report of the National Math Panel, about the "anti-knowledge movement" in the U.S., about the Math Wars, and about the development of mathematics education in the U.S. in general. Boaler claims that:

There is a movement at work across America that smothers research knowledge, gives misleading data to parents, and substantially undermines our ability to improve American children’s mathematical understanding.

And she claims that this movement has had a strong impact - even into the White House...