Anti-war activist Cindy Sheehan (2nd R) marches with supporters to the ranch of U.S. President George W. Bush in Crawford, Texas August 6, 2006. Sheehan, whose military son Casey was killed in Iraq in 2004, recently purchased land near President Bush's ranch and has sought to meet with Bush since starting her peace vigil last year. REUTERS/Jason Reed (UNITED STATES)
A pickup truck passes Cindy Sheehan and her peace group as they walk to the police road block leading to President Bush's ranch near Crawford, Texas, Sunday, Aug. 6, 2006. (AP Photo/Ron Hefliin)
Cindy Sheehan, far right, and her peace group walk to the police road block leading to President Bush's ranch near Crawford, Texas, Sunday, Aug. 6, 2006. (AP Photo/Ron Hefliin)
Anti-war activist Cindy Sheehan (3rd L, blue dress) marches with supporters along Prarie Chapel Road towards the ranch of U.S. President George W. Bush in Crawford, Texas August 6, 2006. Sheehan, whose military son Casey was killed in Iraq in 2004, recently purchased land near President Bush's ranch and has sought to meet with Bush since starting her peace vigil last year. REUTERS/Jason Reed (UNITED STATES)
Anti-war activist Cindy Sheehan, 2nd right, leads a group of anti-war protesters on a march to President Bush's ranch on Sunday, Aug. 6, 2006 in Crawford, Texas. (AP Photo/Evan Vucci)
Anti-war activist Cindy Sheehan speaks to the press after being denied access to the ranch of U.S. President George W. Bush in Crawford, Texas August 6, 2006. Sheehan, whose military son Casey was killed in Iraq in 2004, recently purchased land near President Bush's ranch and has sought to meet with Bush since starting her peace vigil around Crawford last year. REUTERS/Jason Reed (UNITED STATES)
Cindy Sheehan pours water over her head as she and her peace group march to the police road block leading to President Bush's ranch near Crawford, Texas, Sunday, Aug. 6, 2006. (AP Photo/Ron Hefliin)
Anti-war activists are stopped at a security checkpoint leading to the ranch of U.S. President George W. Bush in Crawford, Texas August 6, 2006. Peace activist Cindy Sheehan, whose military son Casey was killed in Iraq in 2004, marched with the group and recently purchased land near President Bush's ranch to keep up her vigil to bring U.S. troops home from overseas conflict zones. REUTERS/Jason Reed (UNITED STATES)
Cindy Sheehan and her peace group is stopped at a road block, manned by the Secret Service, that leads to President Bush's ranch near Crawford, Texas, Sunday, Aug. 6, 2006. (AP Photo/Ron Hefliin)
Anti-war activist Cindy Sheehan flashes a peace sign during her march to the ranch of U.S. President George W. Bush in Crawford, Texas August 6, 2006. Sheehan, whose military son Casey was killed in Iraq in 2004, recently purchased land near President Bush's ranch and has sought to meet with Bush since starting her peace vigil last year. REUTERS/Jason Reed (UNITED STATES)