Republican presidential candidate Senator John McCain and Senator Lindsey Graham (R-SC), right, make their way across the flight line after landing on a CV-22 Osprey at Sather Air Base in Baghdad, March 16, 2008.
(U.S. Air Force photo/Tech. Sgt. Jeffrey Allen/Handout/Reuters)
U.S. Republican presidential candidate John McCain (R) talks to reporters during a visit in Baghdad March 17, 2008.
REUTERS/Ceerwan Aziz (IRAQ)
In this photo provided by the U.S. Air Force, Sen. John McCain, R-Ariz, rests aboard a C-130 from the 317th Airlift Group, 39th Airlift Squadron, Dyess Air Force Base, Texas that will take him to Southwest Asia from Sather Air Base, Baghdad, Iraq after visiting with Gen. Petraeus, Baghdad, Iraq, Mar., 17, 2008. Sen. Lyndsey Graham, S.C. is in the background.
(AP Photo/U.S. Air Force, Master Sgt. Andy Dunaway)
In this images released by the US Air Force, Sen. John McCain prepares to take off in a U.S. Army UH-60 Blackhawk from Sather Air Base, Iraq , Sunday, March 16, 2008. McCain arrived in Baghdad on Sunday for an unexpected visit with Iraqi and U.S. diplomatic and military officials, a U.S. government official said.
(AP Photo/Tech. Sgt. Jeffrey Allen,US Air Force)
US Republican presidential candidate Senator John McCain (R-AZ) unbuckles his flight helmet as he arrives at Sather Air Base in Baghdad, March 16, 2008. Picture taken March 16, 2008. REUTERS/U.S. Air Force/Tech. Sgt. Jeffrey Allen/Handout (IRAQ). NO COMMERCIAL SALES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.