have been reviewing nixon tapes since the 1980s, richard nixon sued the national arc iverson for control of his case. that lead to a court case, a whole different review. i've become director of the nixon library in 2007, by that the point the review had gotten to 1972, and by court order, we were supposed to go in chronological order. the chronological review ended in 2013. national arc iverson then did -- i was no longer there. i had a sense of what was done. the national archives went to preservation work on the tapes. digitized them, and then they started a review, they went back to the redactions, the withdrawn parts from the earliest tapes. and i learned again, now, as a private researcher, that private research researchers could request certain conversations. when i was at the national arc iverson, i heard there was a