The company performs two plays based on the Sept. 11 terrorist attacks as part of the UA College of Social and Behavioral Sciences "9/11: How We've Changed" week. A Human Equation, about Kenneth Feinberg's experience with the 9/11 Victim Compensation Fund, is staged at Christ Presbyterian Church, 6565 E. Broadway Blvd., at 7:30 p.m., Friday and Saturday, through Sept. 24; and at 2 p.m., Sunday, Sept. 25. $20; $17 senior, student or military with ID, or theater artist. United, a play-in-progress about United Flight 93, is presented as a staged reading followed by discussion, at different times at various venues. Freewill offering. Call 401-3626, or visit windingroadtheater.org for tickets or more information.