African American poet Langston Hughes questions in one of his poems, "What happens to a dream deferred?…Does it dry up like a raisin in the sun?…Or does it explode?" Dreams long squelched by injustice may well explode in anger and rage, but I suspect that, for most of us, the far greater danger is of our dreams drying up like raisins in the sun. Is there any greater tragedy than those whose lives have bec…