Pet Shop Boys

Protection
Prevention
Detection
Detention
There's nowhere to defect to any more
I'm building a wall
a fine wall
not so much to keep you out
more to keep me in
I'm building a wall
a fine wall
not so much to keep you out
more to keep me in
Back then on a bomb-site
we were spies among the ruins
Such precocious barbarians
On TV we saw
cold war
Protection
Prevention
Detection
Detention
There's no where to defect to any more
I'm leaving the world
It's all wrong
not so much what men are doing
much more what they're not