On February 9, 1946, [[Stalin]] declared that war was inevitable as long as [[capitalism]] existed, in a speech regarded by some as the open declaration of [[Cold War]].<ref>Walter LaFeber, ''America, Russia, and the Cold War: 1945-1984'' (New York: Knopf, 1985) ISBN 0394343913, p. 38</ref> Two days later, ex-[[Communist]] Benjamin Mandel, former manager of the ''Daily Worker'',<ref>Conrad Black, ''Richard M. Nixon: A Life in Full'' (Jackson, Tenn.: PublicAffairs, 2008), ISBN 1586486748, p. 93</ref> identified Alger Hiss to the [[FBI]] as "a [[Communist Party]] member," and one of a "high level group of [[government]] employees who would not be found openly connected with the Party or with any Front organizations and who were specifically instructed not to display such connections."<ref>FBI memo: Hottel to Hoover, February 11, 1946, pp. [http://education-research.org/PDFs/splitfiles/splitprocessed/Silvermaster042_Folder/Silvermaster042_page55.pdf 2]-[http://education-research.org/PDFs/splitfiles/splitprocessed/Silvermaster042_Folder/Silvermaster042_page56.pdf 3] ([http://education-research.org/CSR/Holdings/Silvermaster/Silvermaster.htm FBI file: Silvermaster], [http://education-research.org/PDFs/Silvermaster042.pdf Vol. 42], pp. 55-56)</ref> The Bureau again interviewed Hiss, who denied ever being a Communist, and denied knowledge of any of his friends being Communists. He did, however, add that he had heard it said that [[Lee Pressman]] was either a Party member or followed the Party line.<ref>[http://ultra-secret.info/PDFs/splitfiles/splitprocessed/Silvermaster082_Folder/Silvermaster082_page121.pdf FBI Report: Underground Soviet Espionage Organization (NKVD) in Agencies of the United States Government, p. 110 (PDF p. 121)]</ref>
That year, [[British]] intelligence supplied its order of battle against [[Soviet]]-led guerrillas in [[Greece]] to the [[Pentagon]]. Shortly thereafter, this top-secret information appeared in the column of Drew Pearson<ref>Jim Heintze, [http://www.library.american.edu/pearson/biography.html Biography of Drew Pearson], February 9, 2006 (Drew Pearson Papers, American University Library Collections)</ref> (whose reporter, [[David Karr]], was a "competent KGB source"),<ref>Yevgenia Albats, ''The State Within a State: The KGB And Its Hold on Russia Past, Present and Future'' (New York: Farrar, Strauss and Giroux, 1994), pp. 250-251; Yevgenia Albats, "Senator Edward Kennedy Requested KGB Assistance With a Profitable Contract for his Businessman-Friend," ''Izvestia'', June 24, 1992, p. 5. Albats adds that Karr "submitted information to the KGB on the technical capabilities of the United States and other capitalist countries." Cf. Herbert Romerstein and Eric Breindel, ''The Venona Secrets: Exposing Soviet Espionage and America's Traitors'' (Washington, DC: Regnery Publishing, 2001) ISBN 0895262258, p. 139; John Earl Haynes and Harvey Klehr, ''Venona: Decoding Soviet Espionage in America'' (New Haven: Yale University Press, 1999) ISBN 0300077718, p. 247. See also Venona decrypt [http://www.nsa.gov/public_info/_files/venona/1944/15jul_sammuel_krafsur.pdf 998 KGB New York to Moscow 15 July 1944]. Another, Pearson legman, Andrew Older, was identified under oath by FBI undercover operative Mary Markward as a secret member of the Communist Party in Washington, DC. ([http://ia341033.us.archive.org/1/items/securitygovernme0102unit/securitygovernme0102unit_bw.pdf Security Hearings Pursuant to S. Res. 40, Part 1], Permanent Subcommittee on Investigations, Committee on Government Operations, United States Senate, 83rd Cong., 1st Sess., August 17-18, 1953 [Washington: Government Printing Office, 1953], p. 16 [PDF p. 20])</ref> forcing the British army to withdraw, a move that would have delivered Greece to the [[Kremlin]] had not the U.S. intervened. According to de Toledano, “Deputy Assistant Secretary of State J. Anthony Panuch, in charge of security, tracked down the source of the leak. He discovered that Hiss had asked the Pentagon for this information, though it had nothing to do with his work as director of the Office of Special Political Affairs.”<ref>Ralph de Toledano, “[http://findarticles.com/p/articles/mi_m1571/is_n3_v13/ai_19048238 Embarrassment aided and abetted the Top Soviet spy - Alger Hiss],” ''Insight on the News'', January 27, 1997</ref>
State Department security officers discovered that Hiss' desk calendar for September 14, 1946, recorded a meeting Hiss did not schedule through the department (and for which he made no official record) with "McLean [sic], British Emb."<ref>Allen Weinstein, ''Perjury: The Hiss-Chambers Case'' (New York: Alfred A. Knopf, 1978), ISBN 0394495462, pp. 363-364</ref> Donald Maclean<ref>[http://www.spymuseum.com/pages/agent-maclean-donald.html Donald Maclean], The Spy Museum</ref> was a diplomat at the British Embassy in Washington who was also a [[Soviet]] agent<ref>Statement of Vladimir Petrov (defected from Soviet Embassy, Canberra, 1954), [http://ia341032.us.archive.org/0/items/scopeofsovietact2730unit/scopeofsovietact2730unit_bw.pdf Scope of Soviet Activity in the United States]," Subcommittee To Investigate the Administration of the Internal Security Act and Other Internal Security Laws, Committee on the Judiciary, United States Senate, June 6, 1956, p. 1521 (PDF p. 79)</ref> and member of the [[Cambridge Five|Cambridge spy ring]]. He would defect in 1951 to the [[Soviet Union]],<ref>"[http://www.britannica.com/EBchecked/topic/355048/Donald-Maclean Donald Maclean]," ''The Encyclopedia Britannica'', 2008</ref> where he would be rewarded with the rank of Colonel in the KGB.<ref>"[http://www.spymuseum.com/pages/agent-maclean-donald3.html Agent: Maclean, D.]," The Spy Museum</ref> Another member of that ring, [[Kim Philby]], would likewise defect to [[Moscow]], later writing in his memoir, "it was also the era of Hiss, [[Judith Coplon|Coplon]],<ref>Hayden B. Peake, "[https://www.cia.gov/library/center-for-the-study-of-intelligence/csi-publications/csi-studies/studies/vol47no2_2003/article09.html The Judith Coplon Story]," ''Studies in Intelligence'', vol. 47, no. 2, 2003; [http://www.nsa.gov/public_info/_files/venona/1945/8jan_judith_coplon.pdf 27 New York to Moscow 8 January 1945]</ref> [[Klaus Fuchs|Fuchs]],<ref>[http://www.pbs.org/wgbh/amex/bomb/filmmore/reference/primary/fuchsstatement.html Fuchs' confession], "Race for the Bomb" ''The American Experience'' (PBS); [http://www.nsa.gov/public_info/_files/venona/1944/15jun_departure_agent_rest.pdf 850 New York to Moscow, 15 June 1944]; </ref> [[Harry Gold|Gold]],<ref>Greg Barker, Director, "[http://www.pbs.org/redfiles/kgb/deep/kgb_deep_bios_detail.htm#Gold The Red Files: Secrets of the Russian Archives Revealed]," PBS, 1999