北约承诺不东扩 普京：俄罗斯被耍了

"The document was found in the UK National Archives by Joshua Shifrinson, a political science professor at Boston University in the US. It had been marked “Secret” but was declassified at some point." The document was published by the German magazine Der Spiegel on Friday.

回复 Suntoront：You would have to provide a creditable link. Similar accusations surfaced multiple times, turned out to be misinformation.