From John Currin's old-master-style Playboy bunnies to Elizabeth Peyton's fin-de-siecle portraits; from Julie Mehretu's dizzying, multilayered architectural landscapes to Shahzia Sikander's multipatterned miniature ones; from Yoshitomo Nara's angry and enigmatic little girls to Kara Walker's stereotypical negresses; and from Barry McGee's caricatures of urban graffiti to Matthew Ritchie's cosmological diagrams--drawing is back, if it ever went away...