Last Chance Saloon: A Dozen Shows Closing This Weekend » Jack Whitten, Apps for Obama, 2011. Acrylic on Hollow Core Door, 84 x 91 inches. Courtesy of Alexander Gray Associates

Jack Whitten, Apps for Obama, 2011. Acrylic on Hollow Core Door, 84 x 91 inches. Courtesy of Alexander Gray Associates

Jack Whitten, Apps for Obama, 2011. Acrylic on Hollow Core Door, 84 x 91 inches. Courtesy of Alexander Gray Associates