I'm not sure how to give you a link to Mark's original post -- his blog is set up differently than mine. So, I'll cut and paste here:
The NEA Doesn't Like it When Homeschoolers Consistently Wipe the Floor with Public School Kids in Test Results...so they issue disdainful press releases. Pretty soon they are going to raise their eyebrows so high they will lift themselves off the ground in a paroxysm of high dudgeon.
Addendum: Margaret Mary found a link to Mark's original post. Try THIS. Thanks MM!