FILE - In this March 17, 2010 file photo, cranes stand at the construction site of One World Trade Center, left, and World Trade Center Tower 4, right, in New York. One WTC is being built by the Port ... more 
FILE - In this March 17, 2010 file photo, cranes stand at the construction site of One World Trade Center, left, and World Trade Center Tower 4, right, in New York. One WTC is being built by the Port Authority of New York and New Jersey, while Tower 4 is one of three towers to be built by developer Larry Silverstein. (AP Photo/Mark Lennihan, File) less 
1 / 23
Associated Press | Photo By Mark Lennihan, File
Fri, May 10, 2013 1:04 PM EDT