From Washington Post:

Court orders in January that brought President Bush’s warrantless terrorist surveillance program under existing law have limited the intelligence that agencies can collect, Director of National Intelligence Mike McConnell told a Senate committee yesterday.
“We are actually missing a significant portion of what we should be getting,” McConnell said during an unusual public session of the Select Committee on Intelligence on the administration’s proposal to update the Foreign Intelligence Surveillance Act of 1978 (FISA)….