Hang sculptures on the wall By Jake Townsend Jan. 11, 2007 12 AM PT Special to The Times ...

"The plastic wall has no meaning to the safety of the plane. They are there so you don't have to look at the bare walls," said Ditchey, a former U.S. Navy pilot.

The creator of Wall Street's famous bull sculpture has taken issue with the placement of another work nearby. NPR's Linda Wertheimer speaks with New York Magazine art critic Jerry Saltz.