Ralph Ellison-inspired exhibition examines violent histories in Tulsa, Oklahoma, and America Faith Ringgold (American, b. 1930). United States of Attica, 1972. Offset lithograph, 21 5/8 x 27 3/8. Courtesy of the artist and ACA Galleries, New York, NY. ©️ 2020 Faith Ringgold / Artists Rights Society (ARS), New York. TULSA, OK .-This spring and summer, Philbrook Museum of Art presents From the Limitations of Now, a major museum-wide exhibition that explores how art can serve as a tool to re-examine our past, honoring those who challenge racial violence across America, and envision change i...