Art: Still Stirring: A wealth of dazzling shows will renew your faith in art's capacity to do more than mint money.

But the shows this fallseason tell us otherwise-- especially the ones by greatBlack artists who remind us of art's necessity. 1 Barkley L. Hendricks:Portraits at the Frick The Frick Collection,opens 9/21 The Frick will devote anentire gallery in its temporarylocation at the Breuer toHendricks, who during hislife imbibed this magnificentcollection's painterly magicand formal mysteries. [Extracted from the article]