Guest post by John Thompson.

The current headline is that John Merrow found "the smoking gun," or the confidential memo warning Michelle Rhee of the extent of cheating that may have occurred in Washington D.C. schools in response to her draconian "reforms." Merrow's "Michelle Rhee's Reign of Error" summarizes the evidence of an inexcusable failure to investigate the cheating and it recalls the lesson of Watergate - the cover-up is often worse than the original crime. Merrow concludes with the question, "What did Michelle know, and when did she know it?"

Merrow's report leads to the question of "What did Arne Duncan know and when did he know it?" After all, Duncan and Rhee have earned the title of "the king and queen of data-driven education reform."

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