http://www.nytimes.com/2017/01/02/us/politics/nixon-tried-to-spoil-johnsons-vietnam-peace-talks-in-68-notes-show.html?hp&action=click&pgtype=Homepage&clickSource=story-heading&module=first-column-region®ion=top-news&WT.nav=top-news&_r=0

Is it just me or wasn't this already common knowledge?