FDR mistakenly taped candid conversations which took place in the White House in the months before the 1940 election. The incident is analysed by historian Robert J.C. Butow in his article for the February 1982 American Heritage, entitled "The FDR Tapes".
March 8, 1941
This telegram must be closely paraphrased before being communicated to anyone (C)
[the word "Confidential" has been scored out] FOR THE AMBASSADOR
Please transmit the following message to former naval person:
October 7, 1941.
FROM: THE PRESIDENT
TO: A FORMER NAVAL PERSON
At this very late date I deeply regret necessity of re-opening with you what had been agreed on in regard to American Flag Navy operated transports going to England for proposed troop movement to Near East.
I do s...