A comprehensive look at a controversy that continues to fuel debates about the role of public art in America. Since its installation at and subsequent removal from New York City's Federal Plaza, noted sculptor Richard Serra's Tilted Arc has been a touchstone for debates over the role of public art. Installed in 1981, the 10-foot-high, 120-foot-long curved wall of Cor-Ten self-rusting steel instantly became a magnet for criticism...