Berlin: Tunnels Inc.

At the risk of a shot in the back, refugees continued to flee over, through, and under the hated Wall. Two East Germans astonishingly made it into West Berlin riding on a motorcycle; one young West Berliner last week explained how he had smuggled his fiancée out of East Berlin by strapping her to the bottom of his car and driving five miles to the checkpoint. But the Wall has also spawned entrepreneurs who manage to get people out, at the same time lining their own pockets in a fast-growing escape business.

Extricated...