Miami

It is where Fidel Castro raised money to overthrow Batista and where two generations of Castro's enemies have raised armies to overthrow him, so far without success. It is where the bitter opera of Cuban exile intersects with the cynicism of U.S. foreign policy. It is a city whose skyrocketing murder rate is fueled by the cocaine trade, racial discontent, and an undeclared war on the island ninety miles to the south.

As Didion follows Miami's drift into a Third World capital, she also …