I recently had a post on New Math up at the Monkey Cage. One of the comments was simply a link to a Youtube video. I watched with some trepidation (it was, after all, a TED talk), but, though I didn't agree with all the points, a lot of them were quite valid and all were stated with considerable eloquence.
Toxic culture of education: Joshua Katz at TEDxUniversityofAkron
Why teach kids macro at the intro level?
1 hour ago