About this recording 18–68 President Richard M. Nixon Stephen B. Bull January 11, 1972 Stephen B. Bull Richard M. Nixon Conversation No. 18-68 Date: January 11, 1972 Time: 4:02 pm - 4:03 pm Location: White House Telephone The President talked with Stephen B. Bull. [See Conversation No. 312-29] Summoning of helicopter for trip to Camp David Secret White House Tapes | Richard M. Nixon Presidency 18–68 Backward Play Stop Forward Download audio Previous 644–9 Next 646–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 646–1 audio icon 646–2 audio icon 646–3 audio icon 646–4 audio icon 646–5 audio icon 646–6 audio icon 646–7 audio icon 18–71 audio icon 18–72 audio icon 18–73 audio icon