Not One Inch referenced in The Guardian

Not One Inch: America, Russia, and the Making of the Cold War Stalemate, by the prize-winning historian Mary Elise Sarotte, charts all the private discussions within the western alliance and with Russia over enlargement and reveals Russia as powerless to slow the ratchet effect of the opening of Nato’s door. The author concludes the charge of betrayal is technically untrue, but has a psychological truth.