"We established to our satisfaction that the memos were accurate or we would not have put them on television. There was a great deal of coroborating [sic] evidence from people in a position to know. Having said that, given all the questions about them, we believe we should redouble our efforts to answer those questions, so that's what we are doing."
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BTW I have established to MY satisfaction that the picture of Andrew Heyward shown above is "accurate" or I would not have posted it here on Free Republic.