Update: April 6
The Washington Post, in an article by Michael Alison Chandler, reports that "Teach for America" is only slowly being embraced by Virginia and probably other states, as a source for reliable new teachers, here.
And the New York Times has a curious report by John Markoff on the ability of new computer software to grade essays or "free response" answers, link here. I can remember reports in the Washington Examiner by George Mason English professor and AP high school English teacher Erica Jacobs writing about spending days in an auditorium in Kentucky grading AP essays.
It would seem that the same concept could be applied to evaluating blogs or even whole books before publication/