as it has vexed seven U.S. presi- dents. And W. Raymond Duncan describes how Nikita Khrushchev's dream of easy gains in the Third World-and Castro's own arnbi- tions-gave a succession of Soviet leaders expensive new allies in Latin America and Africa.

Tad Szulc
"It was much easier to win the revolutionary war than it is to run the Revolution now that we are in charge."
So Fidel Alejandro Castro Ruz observed some months after taking power in Cuba early in 1959. Only 33 years old, he...