"He Has Approached a Threshold". Fred McGoldrick, Acting Director, Office of Nonproliferation and Export Policy, to John Negroponte, Assistant Secretary of State for Environment, Oceans and Fisheries, "Pakistan," 9 April 1987, Secret, enclosing memorandum from Richard Murphy, Assistant Secretary for Near East and South Asian Affairs, "Action Plan on Pakistan Nuclear And Security Problems," to Secretary of State, n.d., Secret