Foreign Intelligence Surveillance Act (FISA) (13 images)

U.S. President George W. Bush, surrounded by members of Congress and Vice President Dick Cheney, signs H.R. 6304, the "Foreign Intelligence Surveillance Act (FISA) Amendments Act of 2008," into law in the Rose Garden of the White House in Washington on July 10, 2008. (UPI Photo/Alexis C. Glenn) .

Senate Majority Leader Harry Reid (D-NV) (C) speaks to the press after roll call votes on amendments, cloture and final passage of H.R.6304, the "Foreign Intelligence Surveillance Act (FISA) Amendments Act of 2008" on Capitol Hill in Washington on July 9, 2008. (UPI Photo/Alexis C. Glenn) .

Citizens, wearing over-sized novelty sunglasses with the words "Stop Spying" on the lenses, listen as Director of National Intelligence Michael McConnell testifies before the Senate Judiciary Committee on the benefits and detriments of the FISA (Foreign Intelligence Surveillance Act) law on Capitol Hill in Washington on September 25, 2007. At issue is whether the law, which allows some warrantless wire tapping, is helpful to deter terrorism and whether it is unnecessarily intrusive into the privacy of Americans. (UPI Photo/Roger L. Wollenberg)

Presumptive Democratic presidential candidate Sen. Barack Obama (D-IL) arrives on Capitol Hill for roll call votes on amendments, cloture and final passage of H.R.6304, the "Foreign Intelligence Surveillance Act (FISA) Amendments Act of 2008" in Washington on July 9, 2008. (UPI Photo/Alexis C. Glenn) .