The Post says the PA is open to structure a deal in a variety of ways, which includes the transfer of a long-term lease (the Port Authority owns the land), finding a financial partner such as Blackstone Group LP or Fortress Investment Group LLC, or a combination of both.
A deal would bring in much needed money and free the PA to develop other projects already underway such as the redevelopment of the rest of Ground Zero and the construction of Moynihan Station, which is expected to replace Pennsylvania Station in midtown Manhattan. - Gerald Magpily
See New York Post article
The Port Authority of New York/New Jersey is looking for a buyer or partner to acquire the unfinished Freedom Tower in Manhattan, 
