In approving the $6.8 billion purchase, the administration chose not to require state-owned Dubai Ports World to keep copies of its business records on U.S. soil, where they would be subject to orders by American courts. It also did not require the company to designate an American citizen to accommodate requests by the government.

And it comes out... Someone at the White House cut an under the table deal on this.

Arab Company, White House Had Secret Deal - Yahoo! News