権力の中枢を英語でなんと言うか？

the corridors of power（権力の回廊）のことです。2:04 Apart from catchy images, memorable catchphrases are used against those in the corridors of power.　イメージ戦、キャッチフレーズ戦などが権力の中枢にいる連中に対して繰り広げられている

http://www.youtube.com/watch?v=BUqAgDmplu4 2:57 But critics say they have been using that financial clout to line their own pockets even further by encouraging politicians to keep going with the heavy-handed sentencing program by launching an influential lobbying campaign in the corridors of power.
http://www.youtube.com/watch?v=s-rBekUMntw  1:30 the reason is all because of an uncertainty in the corridors of power