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 Rewind 10 seconds Play/Pause Fast-forward 10 seconds 0:00 Download audio Previous 949–9 Next 450–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 450–1 audio icon 47–1 audio icon 450–10 audio icon 450–11 audio icon 450–12 audio icon 450–13 audio icon 450–14 audio icon 450–15 audio icon 450–16 audio icon 450–17 audio icon