Between February 1971 and July 1973, Richard M. Nixon secretly recorded 3,700 hours of conversations—far more than any president before him.
Initially, government investigators focused on the tapes concerning the Watergate scandal. Over the next four decades, the Nixon Library and the National Archives released 3,000 hours of tape that it considers in the public interest, holding back the rest for family privacy or national security concerns. They released the final batch of tapes in 2013.
Yet even though it’s all out there now, only a small percentage of those tapes have ever been transcribed or published.
Here are some things the tapes have revealed so far.