Elizabeth Huey through May 28 at Feigen Contemporary, 535 W 20th Street, between 10th and 11th Avenues, 212-929-0500. Hilary Harkness through June 25 at Mary Boone, 745 Fifth Avenue at 57th Street, 212-752-2929. Thomas Trosch through June 10 at Fredericks Freiser, 504 W 22nd Street between 10th and 11th Avenues, 212-633-6555. Can a socially progressive … Continued