Speaking of silly tweets, here's a doozy from Ravitch: "@DianeRavitch: Some tweeters continually reveal their contempt for public education, principals & teachers. I will not acknowledge their snide comments." Translation: "Anyone who challenges my views is demonstrating contempt for public education, principals & teachers, so I will not debate with them. I prefer my echo chamber and fawning adulation from my union buddies." Lest you think I exaggerate, see this incredible story (http://edreform.blogspot.com/2011/03/prominent-anti-education-reformer-diane.html), where Ravitch blocked a Princeton student who was challenging her.