[dano1]

"They devised a coding system and marked the documents they knew Berger was interested in canvassing, and watched him carefully. They knew he was interested in all the versions of the millennium review, some of which bore handwritten notes from Clinton-era officials who had reviewed them."

BINGO!

[dano1]

What did the handwritten comments say and who said it? I think that's the pertinent question here.

We may never know unless perhaps some decades hence Berger writes his memoirs from prison.