> Right, but if the book hasn't been written congress can still subpoena her to get her testimony and that wouldn't break the NDA.

Congress could have sought her testimony before the book and legal battle became news. They did not.

> I agree having it in book form is more convenient, but it's not like if Zuckerberg burned down an orphanage and he got the only witness to sign a NDA he would get away with it.

Pretending to agree with a weak claim I didn't make is a sign of bad faith. And do you believe public interest is limited to atrocities?