Is the story here that we have new corroborating evidence for what has been well known for a long-time: Nixon and Kissinger conspired to sabotage the peace talk

Is the story here that we have new corroborating evidence for what has been well known for a long-time: Nixon and Kissinger conspired to sabotage the peace talks? Hitchens wrote about this in The Case Against Henry Kissinger (in the article, <http://www.thirdworldtraveler.com/Kissinger/CaseAgainst1_Hitchens.html> http://www.thirdworldtraveler.com/Kissinger/CaseAgainst1_Hit..., that later became a book).