"Never before, the entire history of the American theater, has so much of the truth of black people's lives been seen on the stage," observed James Baldwin shortly beforeA Raisin in the Sunopened on Broadway in 1959. Indeed Lorraine Hansberry's award-winning drama about the hopes and aspirations of a struggling, working-class family living on the South Side of Chicago connected profoundly with the psyche of black America--and changed American theater forever.The play's title comes from a line in Langston Hughes's poem "Harlem," which warns that a dream deferred might "dry up/like a raisin in the sun." "The events of every passing year add resonance toA Raisin in the Sun," saidThe New York Times."It is as if history is conspiring to