However, the Soviet leader and his cause are clearly in danger.

The Soviet leaders must understand the answer to this question.

In the end, the Soviet leader made quick work of the challenge.

Now, as then, it could not have happened without the Soviet leader.

The Soviet leader could not know how right he was.

After all, he had tried twice before and could not reach the Soviet leader.

The trip would be the first by a Soviet leader.

"He's the first Soviet leader to understand how television can be used as a political tool."

Soviet leaders, however, tended to understand security in terms of space.

After four years as Soviet leader, he has made little progress.