(AP) – This file picture provided by Silverstein Properties, Inc. in Sept 2006 shows an artist’s rendering of three proposed designs for the remaining towers at the World Trade Center site in New York, shown alongside the 1,776-foot Freedom Tower, left, in downtown Manhattan’s skyline. The World Trade Center’s owner on Monday, June 30, 2008, proposed scrapping the schedule and budget for the prolonged rebuilding of the site of the Sept. 11 terrorist attacks, saying nearly every project is delayed and over budget and that previous estimates ‘are not realistic.’ (AP Photo/Silverstein Properties, Inc., File)