With the fall of the Soviet empire, new evidence has come to light.
Their case, too, is much more complicated without a Soviet empire around.
They may even be able to cope with the end of the Soviet empire.
But in 1989, like the Soviet empire, their marriage began falling apart.
It was the only way to break away from the Soviet empire.
"I saw the collapse of the Soviet empire as a moment that called for new ideas," he says.
But the tour offered a broad look at life in the former Soviet empire.
The end of the Soviet empire created the chance to expand the alliance.
To foresee what's going to happen to the former Soviet empire.
With the fall of the Soviet empire, that may seem a sensible conclusion.