Skyline of the Manhattan

AP - Sat Jul 14, 3:43 PM ET

This combination of two photos shows the skyline of the Manhattan borough of New York from below the span of the Brooklyn Bridge. The file photo on the left was taken during the blackout of July 13, 1977. The image on the right is the same view on Wednesday July 11, 2007, nearly 30 years after the blackout which lasted 25 hours and was marked by looting and chaos. (AP Photos)

Blackout of July 13, 1977

AP - Sat Jul 14, 3:43 PM ET

The buildings of Manhattan's financial district are dark during the blackout of July 13, 1977 in this file photo taken from under the Brooklyn Bridge. One building at left is lit with emergency power and a stream of light comes from the headlights of moving vehicles on the FDR Drive and the bridge. Friday, July 13, 2007 marks the 30th anniversary of the blackout, which lasted 25 hours and was marked by looting and chaos. (AP Photo/Ray Stubblebine, File)

AP - Sat Jul 14, 3:43 PM ET

A fire rages in Brooklyn in this July 14, 1977 file photo, the day after a massive blackout struck New York City. Friday, July 13, 2007 marks the 30th anniversary of the blackout, which lasted 25 hours and was marked by widespread looting and chaos. (AP Photo/Suzanne Vlamis, File)

AFP/IRINN/File - Fri Jul 20, 11:02 AM ET

An image grab taken from footage broadcast by IRINN on 18 July 2007 shows US-Iranian Haleh Esfandiari talking to a camera. A top Iranian cleric said that televised interviews of jailed US-Iranian academics Esfandiari and Kian

AFP - Sun Jul 22, 6:55 PM ET

A US soldier is seen during a patrol in Baghdad. The US military has said its troops have found Chinese-made missiles which they believe were smuggled into Iraq by groups in Iran in order to arm groups fighting US-led forces.(AFP/Olivier

AFP - Sun Jul 22, 6:55 PM ET

A US soldier is seen during a patrol in Baghdad. The US military has said its troops have found Chinese-made missiles which they believe were smuggled into Iraq by groups in Iran in order to arm groups fighting US-led forces.(AFP/Olivier

US Senate Majority Leader Sen. Harry Reid, D-NV,

US Senate Majority Leader Sen. Harry Reid, D-NV, speaks during a briefing on Capitol Hill in Washington, DC, 18 July 2007. Senate Democrats vowed Sunday to press ahead with legislation on pulling US troops from Iraq,

Under questioning :

AFP - Sun Jul 22, 7:52 PM ET

Under questioning : US soldiers from the 1st battalion, 325th Airborne Infantry, Alpha company question a man in Baghdad after their platoon was shot at by a mortar. The mortar missed its target and destroyed a factory