Barack Obama and the unrepentant terrorist Bill Ayers have worked closely together on education reform since 1995, and possibly since 1987. Obama has obfuscated and minimized this association in his public statements and on his website. Why the cover-up? We don’t know, since we aren’t sure what is being concealed.

It’s becoming known as the Annenberg Challenge cover-up and it’s become big news since the McCain campaign highlighted it in a press release late Wednesday.

In the past few days, Stanley Kurtz of the National Review has been trying to get access to the archives of the Chicago Annenberg Challenge, an education reform group co-founded by Bill Ayers in 1995 and chaired by Barack Obama from 1995 to 1999. After originally giving Mr. Kurtz permission, the library then told him that he could not proceed because they did not have proper authorization from the donor of the archives. They would not identify the donor, but the library assured Mr. Kurtz that they hoped to conclude an agreement and make the documents available soon. And why that cover-up?