{"conversationCode":"021-120","tapeNumber":21,"conversationNumber":120,"identifier":"37-wht-conversation-021-120","startDateTime":"1972-03-20T22:56:00.000Z","endDateTime":"1972-03-21T00:36:00.000Z","startDate":"20-Mar-1972","startTime":"5:56 PM","endDate":"20-Mar-1972","endTime":"7:36 PM","dateCertainty":"certain","timeCertainty":"estimated","participants":"Nixon, Richard M. (President); White House operator;","description":"On March 20, 1972, President Richard M. Nixon and the White House operator talked on the telephone at an unknown time between 5:56 pm and 7:36 pm. The White House Telephone taping system captured this recording, which is known as Conversation 021-120 of the White House Tapes.","locationCode":"WHT","recordingDevice":"White House Telephone","latitudeEstimated":38.89767,"longitudeEstimated":-77.03655,"chronCode":3,"chronRelease":"Third Chronological Release","chronReleaseDate":"28-Feb-2002","aogpRelease":null,"aogpSegment":null,"lastModified":"2015-07-27T17:04:10.235Z","findingAid":"Conversation No. 21-120\n\nDate: March 20, 1972\nTime: Unknown between 5:56 pm and 7:36 pm\nLocation: White House Telephone\n\nThe President talked with the White House operator.\n\n     Cancellation of call to Stephen B. Bull\n\n     Request for a call to Alexander P. Butterfield","filename":["021a.mp3","021c.mp3"],"tapeStart":"04:18:45","tapeEnd":"04:18:55","participantsList":["Nixon, Richard M. (President)","White House operator"],"prevCode":"021-119","nextCode":"021-121","tapeTranscriptFile":"021a.mp3,021c.mp3","transcript":[{"start":8528.5,"end":8533.2,"text":"Operator, you can cancel that call of Steve Bull and see if you can get Butterfield."},{"start":8533.6,"end":8534.7,"text":"All right, fine, Mr. President."}],"transcriptBoundary":{"start":8523.625,"end":8534.875,"startMethod":"silence+findingaid","endMethod":"silence+findingaid"},"transcriptConfidence":"high","transcriptSource":"bigtape","aiSummary":{"text":"President Nixon instructed the White House operator to cancel a pending call to his aide Stephen B. Bull. He instead directed the operator to initiate a call to Alexander P. Butterfield. This exchange highlights the President's shifting priorities regarding his immediate administrative communications.","topics":["Stephen B. Bull","Alexander P. Butterfield","White House operations","Presidential communication"],"generatedAt":"2026-04-06T02:15:45.509Z"},"topicSlugs":["stephen-b-bull","alexander-p-butterfield","white-house-operations","presidential-communication"],"audioDurationSec":10,"audioFiles":[{"file":"021a.mp3","bytes":117251663,"durationSec":7400.66,"bitrate":126747,"missing":false},{"file":"021c.mp3","bytes":74569922,"durationSec":4671.26,"bitrate":127708,"missing":false}],"audioIsShared":true,"audioProbedAt":"2026-09-18T02:19:27.521Z","audio":["https://nixon.nyc3.digitaloceanspaces.com/audio/021a.mp3","https://nixon.nyc3.digitaloceanspaces.com/audio/021c.mp3"],"url":"https://www.easynixon.org/tapes/021-120","nixonLibraryUrl":"https://www.nixonlibrary.gov/white-house-tapes/21/conversation-021-120","license":"Public domain (U.S. Government work). AI-generated fields (transcript, aiSummary) are provided as-is without warranty."}