In letters to the House and Senate Judiciary committees, Mukasey also said he would not appoint a special prosecutor to conduct the investigation, as some lawmakers had requested.

Mukasey said he would not turn over the material key congressional leaders are seeking because doing so might be seen as bowing to "political influence."

"At my confirmation hearing, I testified that I would act independently, resist political pressure and ensure that politics plays no role in cases brought by the Department of Justice," Mukasey said.

http://www.cnn.com/2007/POLITICS/12/14/mukasey.cia.tapes/index.html