A Raisin In the Sun *****
By: David ShewardWhen it was first announced that Denzel Washington would be headlining a revival of A Raisin in the Sun, I was skeptical. The classic 1959 Lorraine Hansberry drama of a Chicago family fighting poverty and racism had been revived not too long ago with rap musician-actor Sean Combs in the lead under the same director, Kenny Leon. In addition, Washington, at 59, was 20 years older than the role of Walte…