如果说尼克松时期的多级均势战略为中美关系解冻提供了理论依据,那么,美国对中苏边界武装冲突的认知则是美国改善对华关系的直接动因。自1969年3月珍宝岛事件之后,华盛顿一直密切关注中苏紧张局势。美国所关心的不仅仅是谁挑起了冲突,更担心冲突的升级。[[1]] 面对中苏边界冲突,华盛顿有三条道路可供选择:(1)与苏联合作;(2)派代理人及第三国接近苏联;(3)改善同中国的关系。[[2]] 华盛顿经过一番斟酌之后,选择了第三条道路。当尼克松1969年7月底8月初在欧亚进行国事访问时,中苏边界武装冲突成为他与各国领导人会谈的主要议题。尼克松和基辛格分别在与罗马尼亚总统齐奥塞斯库和FaGuo总统蓬皮杜的会谈中明确表示美国不会参加苏联所倡导的“亚洲集体安全”[[3]],这主要是因为“美苏的合作会加强苏联的实力,以至于苏联会在一定程度上掌控中国的政策和行为。如果这样的事情发生了,苏联势力的扩张会对世界和平,特别是对中国周边国家构成威胁。”[[4]] 事实上,早在1969年7月7日,美国国家安全委员会(以下简称国安会)委员罗伯特·奥斯古德(Robert E. Osgood)就曾明确指出亚洲在美国全球战略中的重要地位。他认为,“在未来五年间,美国对外政策的实质和机遇是由亚洲的发展变化决定的,因为,在世界上其他地区不大可能出现这种发展和变化。国内外都会关注美国在亚洲的政策,这将标志着美国在未来世界舞台上的地位。美国应关注苏联在亚洲的地位。苏联在寻求地区扩张,对中国和美国施加影响,他不仅仅在印度和东南亚具有举足轻重的地位,并且在改善同日本的关系。”[[5]]
二、美国对苏联试探的反应
“珍宝岛事件”之后不久,苏联一家名为“和平与进步”的非官方广播电台广播说要对中国使用核武器。紧接着,苏联政府否认这是对中国进行核威胁。[[6]] 然而,在1969年8月18日苏联驻美使馆的午宴上,苏联驻美使馆二秘包瑞斯·大卫杜夫(Boris N. Davydov)问美国北越特别助理威廉·斯狄尔曼(William L. Stearman):如果苏联打击中国的核设施,美国将做何反应?如果中国的核设施遭苏袭击后向美国求援,美国会怎样做,是否会坐收渔翁之利?[[7]] 据华盛顿了解,这是苏联外交官第一次向美国官员提出有可能打击中国的核设施。大卫杜夫已在美国工作多年,是一位经验丰富的驻美观察员,并且同国务院和相关机构建立了广泛的联系。在以往同美方官员的谈话中,他经常提出一些推测和假设来试探美方的反应。尽管他此次提出这样的问题不大可能是个人行为,华盛顿依然不确定他是否是在依令行事。[7] 自此,苏联外交官员突然开始在不同层次的外交场合试探美国对苏联打击中国核设施的反应。[[8]] 另一方面,苏联官方却对此做出了明确的否定。柯西金说“苏联‘绝对’不会进攻中国,西方媒体的推测毫无依据。”苏联负责远东事务的官员也做了类似的表示。苏联的广播电台甚至在9月初为中情局“捏造的事实”辟谣。[[9]] 面对苏联的种种刺探行为,国务院和国安会得出了不同的结论:国务院认为“苏联的刺探行为更多是出于好奇,而非发动战争的信号,虽不排除苏联发动大规模战争的可能,但其可能性不足50%”;[[10]]而国安会却认为,美国若不对苏联的刺探行为做出明确的答复,将会被认为是美国默许了苏联对中国进行打击。即使苏联的刺探对其最终的决策并不重要,它也能造成一种事先和美国商量过的假相。美国很有必要草拟出一个指导原则,对苏联的刺探行为做出明确的答复。[9]
然而半年过去了,北京方面仍未主动表露一丝想同华盛顿对话的倾向。1969年9月9日,尼克松于亲自接见了美驻波兰大使沃尔特·斯托塞尔(Walter J. Stoessel)。他不仅亲自指示斯托塞尔遇到中国代办时要“做什么”——若在华沙某个中立国家使馆遇到中国代办,直接和他交谈;还告诉斯托塞尔该“说什么”——斯托塞尔应该说“我在华盛顿见到了总统,他对同中国举行具体的会谈非常感兴趣。”此外,尼克松还指示:若媒体关注到这件事,不要做任何解释和评论。[4] 之后一个半月,斯托塞尔向华盛顿报告说还没有遇到同中国代办交谈的机会,他接着解释了实际操作中的困难——需要翻译做解释;有可能被其他外交官看到,易引起媒体的注意。斯托塞尔建议主动造访中国大使馆,认为这样做更安全。尼克松对此的批示是:“总统认为可以让公众知道。”[[16]] 这就意味着尼克松不支持斯托塞尔拜访中国大使馆,举行“特殊的”大使级会晤,因为尼克松不想在未了解中方对华沙会谈的态度之前做任何冒险行动。美国担心被中国拒绝,这将是对美国声望和尊严的打击;美国还害怕被中国用做宣传武器,这不仅会令尼克松政府尴尬,还会令其东亚盟友感到不安;此外,美方的迫切心情无疑会增加中方在谈判中的筹码。
[①] 美停止第7舰队在台湾海峡的巡逻主要是由于财政预算问题。但为了改善同中国的关系,美只宣布取消第7舰队在台湾海峡的巡逻,而未提是因财政问题。详见Memorandum from Assistant Secretary for East Asian and Pacific Affairs Marshall Green to Under Secretary of State Elliot Richardson, "Next Steps in China Policy," 6 October 1969, SN 67-69, Pol Chicom-US, National Archives II.
[②]美方资料显示这架SK-5型侦察机是在飞往北越执行任务的途中因油料耗尽,驾驶员弃机跳伞,侦察机坠落在海南的。中方媒体的报道是中国海军击落的。详见William Wagner, Lightning Bugs and Other Reconnaissance Drones: The Can-Do Story of Ryan's Unmmanned 'Spy Plane' , Fallbrooke, CA: Armed Forces Journal International: Aero International, 1982, 162-163.
[1] March 4, 1969, George C. Denny, INR, to Rogers, Intelligence Note, “USSR/China: Soviet and Chinese Force Clash on the Ussuri River,” RG 59, SN 67-69, POL 32-1 Chicom-USSR; March 21, 1969, Central Intelligence Agency, Directorate of Intelligence, “Weekly Review,” excerpt: “Sino-Soviet Border Remains Uneasy”, National Archives II.
[2] U.S. State Department, Bureau of East Asian and Pacific Affairs, Office of Asian Communist Affairs, "Implications of Sino-Soviet Developments: Meeting of June 21," 23 June 1969, RG 59, SN 67-69, Pol 32-1 Chicom-USSR, National Archives II.
[3] Aug. 2, 1969, Memcon, Private Meeting Between President Nixon and Ceausescu, NPMP, NSCF, box 1023, Aug. 4, 1969, Memcon of France President Georges Pompidou and US Dr. Kissinger, “Asia, Vietnam, Romania, Middle East, Nigeria-Biafra”, Source: NSCF Box 1023, National Archives II.
[4] Sept. 9, 1969, Memcon by Ambassador Walter Stoessel, “Conversation with the President Concerning作者: 白鹤 时间: 2008-6-25 09:36
China and US-Chinese Contacts,” RG 59, SN 67-69, POL Chicom-US, National Archives II.
[5] July 7, 1969, Memo from Robert E. Osgood to Members of NSC Staff, “An Overview of the World Situation”, White House, FO box 1, [EX] 5120069-8/31/69, National Archives II.
[6] U.S. State Department, Bureau of Intelligence and Research: Intelligence Note, "Communist China: Peking Inflates Soviet War Threat," 3 June 1969, SN 67-69, Pol Chicom-USSR, National Archives II.
[7] Aug. 18, 1969, Memcon, “China: US Reaction to Soviet Destruction of CPR Nuclear Capability; Significance of Latest Sino-Soviet Border Clash; International Opposition. Vietnam: US and Communist Intentions; Soviet Views. SALT: Reason for Soviet Delay. Laos: Soviet Role, Source: NSCF 334, National Archives II.
[8] Sept. 10, 1969, Memcon by Wm. Spengler, State Department Office of Pakistan-Afghanistan Affairs, of meeting with Hilaly, “ The Current Sino-Soviet Situation,” RG 59, SN 67-69, POL Chicom-USSR, National Archives II.
[9] Memorandum from John Holdridge and Helmut Sonnenfeldt, National Security Council Staff, to Henry Kissinger, "The US Role in Soviet Maneuvering Against Peking," 12 September 1969, NPMP,NSCF,box 710, USSR Vol. V 10/69,National Archives II.
[10] Memorandum for the President from Secretary of State William Rogers, "The Possibility of a Soviet Strike Against Chinese Nuclear Facilities," 10 September 1969, SN 67-69, Def 12 Chicom,National Archives II。
[11] Nov. 22, 1969, Document from Chairman, EA/IG—Marshall Green to Chairman, NSC Review Group, “NSSM-38: US Policy in East Asia in the Seventies”, RG 59, SN69-71, box 2,National Archives II.
[12] Aug. 16, 1969, Report, Allen S. Whiting, RAND Corporation, “ Sino-Soviet Hostilities and Implications for US Policy,” with a letter to Kissinger, NPMP, NSCF, box 839, China, National Archives II.
[13] Jan. 6 1969, “Crisis Possibilities in First Two Weeks of the New Administration—East Asia”, Source: HAK 1/9, NSCF GT Book I, National Archives II.
[14] Feb. 11, 1969, memorandum from Kissinger to Nixon, “Warsaw Talks,” Secret, Source: NPMP, NSCF, box 700 Poland-Warsaw Talks, Vol. I, National Archives II.
[15] Feb. 18, 1969, Thomas L. Hughes, Director, Bureau of Intelligence and Research (INR) to Secretary of State William Rogers, Intelligence Note, “ Communist China/US: Peking Calls Off Feb. 20 Warsaw Meeting,” RG 59, SN 67-69, POL Chicom-US,National Archives II.
[16] Nov. 3, 1969, Holdridge to Kissinger, “Query from Ambassador to Warsaw on Contacting Chinese Communist Charge,” with Stoessel letter attached, NPMP, NSCF, box 700 Poland-Warsaw Talks, Vol. I,National Archives II.
[17] Dec. 9, 1969, INR to The Secretary, “Peking ‘Responds’ to the Dec. 3 US Initiative,” RG 59 Pol Chicom US Box 2188, National Archives II.
[18] Dec. 10, 1969, Marshall Green to The Secretary, “Implication of PRC Agreement to Meet with US Ambassador”, RG59 Pol Chicom US Box 2188, National Archives II.
[19] Henry Kissinger, White House Years, Little Brown and Company, 1979, p.188.
[20] Dec. 10, 1969, Kissinger to Nixon, “Warsaw Talks, NPMP, NSCF, box 700 Poland-Warsaw Talks, Vol. I, National Archives II.
[21] 12 Jan. 1970, Kissinger to Nixon, “The Warsaw Talks,” NPMP, NSCF, box 700 Poland-Warsaw Talks, Vol. I, National Archives II.
[22] Dec. 10, 1969, Kissinger to Nixon, “Warsaw Talks, NPMP, NSCF, box 700 Poland-Warsaw Talks, Vol. I, National Archives II.
[23] Jan. 12, 1970, Theodore L. Eliot to The Secretary, “Guidance for 135th Sino-US Ambassadorial Meeting”, RG 59 Pol Chicom US Box 2188, National Archives II.
[24] Jan. 19, 1970, telegram from American Embassy Warsaw to The Secretary, “Sino-US Talks, Press Photographs before 135th Meeting”, RG 59 Pol Chicom US Box 2187,National Archives II.
[25] Jan. 24 ,1970, Warsaw Embassy Airgram A-25 to SecState, “Stoessel-Lei Talks: Report of 135th Meeting, Jan. 20,1970,” RG 59, SN 70-73,Pol Chicom-US,National Archives II。
[26] Jan. 21,1970, Kissinger to Nixon, “The Warsaw Talks”, NPMP, NSCF, box 700 Poland-Warsaw Talks, Vol. I, National Archives II.
[27] Feb. 12,1970, Intelligence Brief from INR to the Acting Secretary, “Communist China: Peking Reacting Angrily to Intrusion of US Drone”, RG 59 Pol Chicom US Box 2188, National Security Archives.
[28] Memorandum from Winthrop G. Brown, Bureau of East Asian Affairs to Under Secretary of State for Political Affairs U. Alexis Johnson, "Basing of U.S. Strip Alert Planes at Tainan Airfield on Taiwan," 29 May 1969, RG 59, SN 67-69, Def 1 Chinat,National Security Archives。
[29] Memorandum from Assistant Secretary for East Asian and Pacific Affairs Marshall Green to Under Secretary of State Elliot Richardson, "Next Steps in China Policy," 6 October 1969, SN 67-69, Pol Chicom-US,National Archives II。
[30] Letter from Under Secretary for Political Affairs U. Alexis Johnson to Deputy Secretary of Defense David Packard, 9 January 1970, RG 59, SN 70-73, Pol Chicom-US. National Security Archives。
[31] Letter from David Packard to U. Alexis Johnson, 20 January 1970, SN 70-73, Pol Chicom-US,National Security Archives。
[32] Memorandum from Harry Thayer, Bureau of East Asian and Pacific Affairs, Office of Asian Communist Affairs, to Morton Abramovitz, Office of Under Secretary of State, "Warsaw Meeting: Shootdown of U.S. Drone," 19 February 1970, 1970年2月19日,SN 70-73, Pol Chicom-US,National Security Archives.
[33] Feb. 10,1970, Holdridge to Kissinger, “Sino-US Negotiations in Warsaw,” NPMP, NSCF, box 700 Poland-Warsaw Talks2/1/70-6/30/70, National Archives II.
[34] Feb. 20,1970, Warsaw Talk 376, NSCF, box 334, National Archives II.
[35] Feb. 21 ,1970, US Embassy Warsaw Airgram A-84 to SecState, “Stoessel-Lei Talks: Report of 136th Meeting,” RG 59, SN 70-73, Pol Chicom-US, National Archives II.
[36]Feb. 20, 1970, Warsaw Talk 376, NSCF, box 334; 20 Feb. 1970, Kissinger to Nixon, “Chinese at Warsaw Suggest US Send High-Level Representative to Peking,” NPMP, NSCF, box 700 Poland-Warsaw Talks 2/170-6/30/70, National Archives II.