Jim Steinberg, a former deputy national security adviser during the Clinton administration, said moving the detainees to Guantanamo Bay also sets an example.
The Bush administration has invoked state secrets several times recently, on two sets of issues: telephone data searches and on what's known as extraordinary rendition, the transfer of terrorism suspects to third countries.
The U.S. Food and Drug Administration regulates which adult stem cell techniques are allowed to go into clinical trials and sets the requirements for more routine use.