Ereni 10.17 アップルバウム ミアシャイマー論文への反論だなこれは "If the only real Western achievement of the past quarter-century is now under threat, that's because we have failed to ensure that NATO continues to do in Europe what it was always meant to do: deter." ( NATO ウクライナ デモ ロシア 安全保障軍事 ソ連 論考 ポーランド