Anti-war activist Cindy Sheehan speaks during a rally on Capitol Hill in Washington April 25, 2007. Sheehan, Rep. Dennis Kucinich (D-OH) and various activist groups are calling for the impeachment proceedings against U.S. President George W Bush and Vice President Dick Cheney. REUTERS/Yuri Gripas (UNITED STATES) 

Anti-war activist Cindy Sheehan speaks during a rally on Capitol Hill in Washington April 25, 2007. Sheehan, Rep. Dennis Kucinich (D-OH) and various activist groups are calling for the impeachment proceedings against U.S. President George W Bush and Vice President Dick Cheney. REUTERS/Yuri Gripas (UNITED STATES) 

Anti-war activist Cindy Sheehan attends a rally on Capitol Hill in Washington April 25, 2007. Sheehan, Rep. Dennis Kucinich (D-OH) and various activist groups are calling for the impeachment proceedings against U.S. President George W Bush and Vice President Dick Cheney. REUTERS/Yuri Gripas (UNITED STATES) 

Anti-war protester Cindy Sheehan calls for the arrest of U.S. Attorney General Alberto Gonzales where he was taking part at a Senate Judiciary Committee hearing on Capitol Hill in Washington, April 19, 2007. Gonzales, facing bipartisan calls to resign, is making a possible make-or-break appearance before the congressional panel investigating the firing of the U.S. attorneys. REUTERS/Jason Reed (UNITED STATES) 

Protesters, including anti-war mother Cindy Sheehan (R), call for the resignation of U.S. Attorney General Alberto Gonzales where he was taking part at a Senate Judiciary Committee hearing on Capitol Hill in Washington, April 19, 2007. Gonzales, facing bipartisan calls to resign, is making a possible make-or-break appearance before the congressional panel investigating the firing of the U.S. attorneys. REUTERS/Jason Reed (UNITED STATES) 

Peace activist Cindy Sheehan (R) tells her supporters that police (L) will not allow them to meet with U.S. President George W. Bush as they are stopped at a checkpoint leading to his ranch in Crawford, Texas, April 6, 2007. Sheehan, whose military son Casey (pictured (C) was killed in Iraq, led a group of protesters on Good Friday to Bush's ranch but were prevented by police from meeting with Bush and asking him to end the war in Iraq. REUTERS/Jason Reed (UNITED STATES) 

Peace activist Cindy Sheehan (R) marches with supporters towards the ranch of U.S. President George W. Bush in Crawford, Texas, April 6, 2007. Sheehan, whose military son Casey was killed in Iraq, led a group of protesters on Good Friday to Bush's ranch but were prevented by police from meeting with Bush and asking him to end the war in Iraq. REUTERS/Jason Reed (UNITED STATES) 

Peace activist Cindy Sheehan marches with supporters towards the ranch of U.S. President George W. Bush in Crawford, Texas, April 6, 2007. Sheehan, whose military son Casey was killed in Iraq, led a group of protesters on Good Friday to Bush's ranch but were prevented by police from meeting with Bush and asking him to end the war in Iraq. REUTERS/Jason Reed (UNITED STATES) 

An old peace bus for supporters of anti-war activist Cindy Sheehan drives along a country road near the ranch of U.S. President George W. Bush in Crawford, Texas, April 6, 2007. Sheehan, whose military son Casey was killed in Iraq, led a group of protesters on Good Friday to Bush's ranch but were prevented by police from meeting with Bush and asking him to end the war in Iraq. REUTERS/Jason Reed (UNITED STATES) 

Peace activist Cindy Sheehan (R) flashes a peace sign alongside her supporters as she marches with them towards the ranch of U.S. President George W. Bush in Crawford, Texas, April 6, 2007. Sheehan, whose military son Casey was killed in Iraq, led a group of protesters on Good Friday to Bush's ranch but were prevented by police from meeting with Bush and asking him to end the war in Iraq. REUTERS/Jason Reed (UNITED STATES) 

Peace activist Cindy Sheehan (C) marches with supporters towards the ranch of U.S. President George W. Bush in Crawford, Texas, April 6, 2007. Sheehan, whose military son Casey was killed in Iraq, led a group of protesters on Good Friday to Bush's ranch but were prevented by police from meeting with Bush and ask him to end the war in Iraq. REUTERS/Jason Reed (UNITED STATES) 

Peace activist Cindy Sheehan (L) is hugged by a supporter as a picture of her son Casey is held up (R) during a protest outside the ranch of U.S. President George W. Bush in Crawford, Texas, April 6, 2007. Sheehan, son Casey was killed in Iraq, led a group of protesters on Good Friday to Bush's ranch but were prevented by police from meeting with Bush and asking him to end the war in Iraq. REUTERS/Jason Reed (UNITED STATES) 

Peace activist Cindy Sheehan (L) is stopped by a policeman at a checkpoint leading to the ranch of U.S. President George W. Bush in Crawford, Texas, April 6, 2007. Sheehan, whose military son Casey was killed in Iraq, led a group of protesters to Bush's ranch where they hoped to meet with him and call for an end to the war in Iraq. REUTERS/Jason Reed (UNITED STATES) 

A photograph and dogtags of 20-year-old U.S. Marine Alexander Arredondo, killed in Najaf, Iraq on August 25, 2004, lie attached to a cross at a symbolic cemetery at "Camp Casey" near the ranch of U.S. President George W. Bush in Crawford, Texas, April 6, 2007. Dozens of crosses representing U.S. troops that have died in Iraq and Afghanistan have been set up by relatives of those killed, part of a protest against the war which began in August 2005 by peace activist Cindy Sheehan, who lost her son Casey in Iraq. REUTERS/Jason Reed (UNITED STATES) 

Executive Director of the Muslim American Society Freedom Foundation Mahdi Bray (L), anti-war activist Cindy Sheehan (C) and former U.S. Rep. Cynthia McKinney (D-GA) (R) lead protesters against the war in Iraq in the March on the Pentagon in Washington, March 17, 2007. REUTERS/Jonathan Ernst (UNITED STATES) 

Co-founder of Gold Star Families for Peace Cindy Sheehan (C) joins thousands of protesters as they march in Los Angeles January 27, 2007. The march was one of several held around the United States, with protesters demanding that the government bring home U.S. troops in Iraq. REUTERS/Gus Ruelas (UNITED STATES) 

Antiwar activist and Vietnam war veteran Ron Kovic (L) and co-founder of Gold Star Families for Peace Cindy Sheehan speak to each other as thousands of protesters march in Los Angeles January 27, 2007. The march was one of several held around the United States, with protesters demanding that the government bring home U.S. troops in Iraq. REUTERS/Gus Ruelas (UNITED STATES) 

Anti-war activist and Vietnam war veteran Ron Kovic (L) and co-founder of Gold Star Families for Peace, Cindy Sheehan, whose son was killed in Iraq, prepare to lead an anti-war march in Los Angeles January 27, 2007. The march was one of several held around the United States, with protesters demanding that the government bring home U.S. troops in Iraq. REUTERS/Gus Ruelas (UNITED STATES) 

Anti-war activist and Vietnam war veteran Ron Kovic (L) and co-founder of Gold Star Families for Peace, Cindy Sheehan, whose son was killed in Iraq, prepare to lead an anti-war march in Los Angeles January 27, 2007. The march was one of several held around the United States, with protesters demanding that the government bring home U.S. troops in Iraq. REUTERS/Gus Ruelas (UNITED STATES) 

Peace activists, including Cindy Sheehan, march past a sign reading "Socialist Cuba for Peace" near the security fence around the U.S. Naval Base Guantanamo in eastern Cuba January 11, 2007. REUTERS/Claudia Daut (CUBA) 

Peace activists, including Cindy Sheehan, stand next to the security fence around the U.S. Naval Base Guantanamo in eastern Cuba January 11, 2007. REUTERS/Claudia Daut (CUBA) 

Cindy Sheehan sits next to a Cuban guard outside the security fence around the U.S. Naval Base Guantanamo in eastern Cuba January 11, 2007. Sheehan and a dozen American peace activists marched demanding the closing of the U.S. military enclave. REUTERS/Claudia Daut (CUBA) 

Cindy Sheehan walks with flowers near the security fence around the U.S. Naval Base Guantanamo in eastern Cuba January 11, 2007. Sheehan and a dozen American peace activists marched demanding the closing of the U.S. military enclave. REUTERS/Claudia Daut (CUBA) 

Cindy Sheehan (L), Taher Deghayes and Zohra Zewawi, brother and mother of Guantanamo detainee Omar Deghayes, chant slogans demanding the closing of the U.S. Naval Base of Guantanamo in Guantanamo, Cuba January 11, 2007. REUTERS/Claudia Daut (CUBA) 

Zohra Zewawi, mother of Guantanamo detainee Omar Deghayes, sits on a bus decorated with banners demanding the closing of the U.S. Naval Base of Guantanamo in eastern Cuba in Guantanamo January 11, 2007. A dozen American peace activists, including Cindy Sheehan, marched demanding the closing of the U.S. military enclave. REUTERS/Claudia Daut (CUBA) 

Cindy Sheehan shields herself from the sun while standing outside the security fence around the U.S. Naval Base Guantanamo in eastern Cuba January 11, 2007. Sheehan and a dozen American peace activists marched demanding the closing of the U.S. military enclave. REUTERS/Claudia Daut (CUBA) 

Peace activists hold banners while standing outside the security fence around the U.S. Naval Base Guantanamo in eastern Cuba January 11, 2007. A dozen American peace activists, including Cindy Sheehan marched demanding the closing of the U.S. military enclave. REUTERS/Claudia Daut (CUBA) 

A dozen American peace activists, including Cindy Sheehan (R), chant slogans while demanding the closing of the U.S. Naval Base of Guantanamo in eastern Cuba, in the city of Guantanamo January 11, 2007. REUTERS/Claudia Daut (CUBA) 

A dozen American peace activists, including Cindy Sheehan, march on a road leading to the security fence around the U.S. military enclave in eastern Cuba chanting "Guantanamo prison, place of shame, no more torture in our name" near Guantanamo City January 11, 2007. REUTERS/Claudia Daut (CUBA) 

(L-R, sitting underneath Cuban map) Adele Welty (partially obscured), whose fire-fighter son was killed on 9/11, Ann Wright, a retired colonel of the U.S. army, Medea Benjamin of Global Exchange and Codepink and Cindy Sheehan attend a news conference at Havana's Jose Marti airport January 6, 2007. The women and a group of other peace activists plan to march to the gates of the U.S. Navy base in Guantanamo, Cuba on January 11 to protest against abuses at the prison camp for terrorism suspects. REUTERS/Claudia Daut (CUBA) 

Ann Wright, a retired colonel of the U.S. army, talks to a journalist at Havana's Jose Marti airport January 6, 2007. Wright, Cindy Sheehan and a group of other peace activists plan to march to the gates of the U.S. Navy base in Guantanamo, Cuba on January 11 to protest against abuses at the prison camp for terrorism suspects. REUTERS/Claudia Daut (CUBA) 

U.S. peace activist Cindy Sheehan addresses the media during a news conference at Havana's Jose Marti airport January 6, 2007. Sheehan and a group of other peace activists plan to march to the gates of the U.S. Navy base in Guantanamo, Cuba on January 11 to protest against abuses at the prison camp for terrorism suspects. REUTERS/Claudia Daut (CUBA) 

Anti-war activist Cindy Sheehan (R) looks back as a Capitiol Police officer shows her a way to the exit after a protest inside the Hart Senate office building in Washington January 4, 2007. REUTERS/Yuri Gripas (UNITED STATES) 

Cindy Sheehan (R) with another anti-war activist leave as they were escorted by the Capitiol Police officer after a protest inside the Hart Senate office building in Washington January 4, 2007. REUTERS/Yuri Gripas (UNITED STATES) 

Cindy Sheehan (L) shouts with other anti-war activists during a protest inside the Hart Senate office building in Washington January 4, 2007. REUTERS/Yuri Gripas (UNITED STATES) 

Anti-war activist Cindy Sheehan gestures with a large banner in the background during a protest inside the Hart Senate office building in Washington January 4, 2007. REUTERS/Yuri Gripas (UNITED STATES) 

Anti-war activist Cindy Sheehan looks at a large banner during a protest inside the Hart Senate office building in Washington January 4, 2007. REUTERS/Yuri Gripas (UNITED STATES) 

Police block anti-war activist Cindy Sheehan, whose son Casey was killed during combat in Iraq in April 2004, as she tries to enter the headquarters of the U.S Forces Korea (USFK) to meet the USFK's head in Seoul November 21, 2006. A delegation of U.S. peace and social justice activists led by Sheehan arrived in Seoul on Sunday for a six-day visit to object the expansion of Camp Humphrey, the U.S. military base in Pyongtaek, and to protest against a plan for a free trade agreement (FTA) between South Korea and the U.S.. REUTERS/Lee Jae-Won (SOUTH KOREA) 

Police block anti-war activist Cindy Sheehan, whose son Casey was killed during combat in Iraq in April 2004, as she tries to enter the headquarters of the U.S Forces Korea (USFK) to meet the USFK's head in Seoul November 21, 2006. Sheehan is holding a sign made of a picture of her son. A delegation of U.S. peace and social justice activists led by Sheehan arrived in Seoul on Sunday for a six-day visit to object the expansion of Camp Humphrey, the U.S. military base in Pyongtaek, and to protest against a plan for a free trade agreement (FTA) between South Korea and the U.S. The sign reads, "We do not need U.S. military base for the war". REUTERS/Lee Jae-Won (SOUTH KOREA) 

Police block anti-war activists Cindy Sheehan (L), whose son Casey was killed during combat in Iraq in April 2004, and Medea Benjamin, the founding director of global exchange, as they try to enter the headquarters of the U.S Forces Korea (USFK) to meet the USFK's head in Seoul November 21, 2006. Sheehan is holding a sign made of a picture of her son. A delegation of U.S. peace and social justice activists led by Sheehan and Benjamin arrived in Seoul on Sunday for a six-day visit to object the expansion of Camp Humphrey, the U.S. military base in Pyongtaek, and to protest against a plan for a free trade agreement (FTA) between South Korea and the U.S.. REUTERS/Lee Jae-Won (SOUTH KOREA) 

Police block anti-war activists Cindy Sheehan (L), whose son Casey was killed during combat in Iraq in April 2004, and Medea Benjamin (C), the founding director of global exchange, as they try to enter the headquarters of the U.S Forces Korea (USFK) to meet the USFK head in Seoul November 21, 2006. A delegation of U.S. peace and social justice activists led by Sheehan and Benjamin arrived in Seoul on Sunday for a six-day visit to object the expansion of Camp Humphrey, the U.S. military base in Pyongtaek, and to protest against a plan for a free trade agreement (FTA) between South Korea and the U.S.. REUTERS/Lee Jae-Won (SOUTH KOREA) 

Anti-war activist Cindy Sheehan, whose son Casey was killed during combat in Iraq in April 2004, holds a sign made of a picture of her son as police block her in front of the headquarters of the U.S Forces Korea in Seoul November 21, 2006. A delegation of U.S. peace and social justice activists led by Sheehan arrived in Seoul on Sunday for a six-day visit to object the expansion of Camp Humphrey, the U.S. military base in Pyongtaek, and to protest against a plan for a free trade agreement (FTA) between South Korea and the U.S. REUTERS/Lee Jae-Won (SOUTH KOREA) 

Anti-war activist Cindy Sheehan (R), whose son Casey was killed during combat in Iraq in April 2004, leaves after participating in a candlelight vigil in the village of Daechoori in Pyongtaek, where South Korea's defence ministry had fenced and demolished houses to make way for the expansion of a U.S. base, about 80 km (50 miles) south of Seoul, November 20, 2006. A delegation of U.S. peace and social justice activists led by Sheehan arrived in Seoul on Sunday for a six-day visit to object to the expansion of Camp Humphrey, the U.S. military base in Pyongtaek, and to protest against a plan for a free trade agreement (FTA) between South Korea and the U.S. The sign reads, "Plant seeds of peace in Pyongtaek". REUTERS/Lee Jae-Won (SOUTH KOREA) 

Anti-war activist Cindy Sheehan (R), whose son Casey was killed during combat in Iraq in April 2004, participates in a candlelight vigil in the village of Daechoori in Pyongtaek, where South Korea's defence ministry had fenced and demolished houses to make way for the expansion of a U.S. base, about 80 km (50 miles) south of Seoul, November 20, 2006. A delegation of U.S. peace and social justice activists led by Sheehan arrived in Seoul on Sunday for a six-day visit to object to the expansion of Camp Humphrey, the U.S. military base in Pyongtaek, and to protest against a plan for a free trade agreement (FTA) between South Korea and the U.S. REUTERS/Lee Jae-Won (SOUTH KOREA) 

Anti-war activist Cindy Sheehan (front, 2nd R), whose son Casey was killed during combat in Iraq in April 2004, speaks at a candlelight vigil in the village of Daechoori in Pyongtaek, where South Korea's defence ministry had fenced and demolished houses to make way for the expansion of a U.S. base, about 80 km (50 miles) south of Seoul, November 20, 2006. A delegation of U.S. peace and social justice activists led by Sheehan arrived in Seoul on Sunday for a six-day visit to object to the expansion of Camp Humphrey, the U.S. military base in Pyongtaek and to protest against a plan for a free trade agreement (FTA) between South Korea and the U.S. REUTERS/Lee Jae-Won (SOUTH KOREA) 

Anti-war activists Cindy Sheehan (R), whose son Casey was killed during combat in Iraq in April 2004, and Medea Benjamin, the founding director of global exchange, listen to an activist interpreting at a news conference in Seoul November 20, 2006. A delegation of U.S. peace and social justice activists led by Sheehan and Benjamin arrived in Seoul on Sunday for a six- day visit to object to the expansion of Camp Humphrey, the U.S. military base in Pyongtaek, and to protest against a plan for free trade agreement (FTA) between South Korea and the U.S. REUTERS/Lee Jae-Won (SOUTH KOREA) 

Anti-war activist Cindy Sheehan (L), whose son Casey was killed during combat in Iraq in April 2004, hugs Hwang Pil-soon, the mother of village headman Kim Ji-tae, during a news conference in Seoul November 20, 2006. Kim is in jail for protesting against the expansion of a U.S. military base in Pyongtaek. A delegation of U.S. peace and social justice activists led by Sheehan arrived in Seoul on Sunday for a six-day visit to object to the expansion of Camp Humphrey, the U.S. military base in Pyongtaek, and to protest against a plan for a free trade agreement (FTA) between South Korea and the U.S. The words on the signs read, "Renegotiate for expansion of U.S. military base!" (L) and "Release village headman Kim Ji-tae!" REUTERS/Lee Jae-Won (SOUTH KOREA) 

Anti-war activists Cindy Sheehan (R), whose son Casey was killed during combat in Iraq in April 2004, and Medea Benjamin, the founding director of global exchange, shout slogans during a news conference in Seoul November 20, 2006. A delegation of U.S. peace and social justice activists led by Sheehan and Benjamin arrived in Seoul on Sunday for a six-day visit to object to the expansion of Camp Humphrey, the U.S. military base in Pyongtaek, and to protest against a plan for a free trade agreement (FTA) between South Korea and the U.S.. REUTERS/Lee Jae-Won (SOUTH KOREA) 

Anti-war activist Cindy Sheehan smiles while demonstrating for the end of U.S. military involvement and peace in Iraq in front of the White House in Washington November 6, 2006. REUTERS/Larry Downing (UNITED STATES) 

Anti-war activist Cindy Sheehan holds a sign while demonstrating for the end of U.S. military involvement and peace in Iraq in front of the White House in Washington November 6, 2006. REUTERS/Larry Downing (UNITED STATES) 

Anti-war activist Cindy Sheehan pauses while demonstrating for the end of U.S. military involvement in Iraq in front of the White House in Washington November 6, 2006. REUTERS/Larry Downing (UNITED STATES) 

Anti-war activist Cindy Sheehan holds a roadside press conference near a security checkpoint leading to U.S. President George W. Bush's ranch in Crawford, Texas August 7, 2006. Sheehan's military son Casey was killed in Iraq in 2004, and for a year has sought to meet President Bush about the withdrawal of U.S. troops from Iraq. REUTERS/Jason Reed (UNITED STATES) 

Anti-war activist Cindy Sheehan flashes a peace sign during a roadside protest opposite a security checkpoint leading to U.S. President George W. Bush's ranch in Crawford, Texas August 7, 2006. Sheehan, whose military son Casey was killed in Iraq in 2004, has sought for a year to meet with President Bush about the withdrawal of U.S. troops from Iraq. REUTERS/Jason Reed (UNITED STATES) 

Supporters of anti-war activist Cindy Sheehan plant pictures of her into the ground as Sheehan (R) sits next to them (R) during a roadside protest near a security checkpoint leading to U.S. President George W. Bush's ranch in Crawford, Texas August 7, 2006. Sheehan, whose military son Casey was killed in Iraq in 2004, has sought to meet President Bush for a year about the withdrawal of U.S. troops in Iraq. REUTERS/Jason Reed (UNITED STATES) 

Anti-war activist Cindy Sheehan flashes a peace sign during a roadside protest opposite a security checkpoint leading to U.S. President George W. Bush's ranch in Crawford, Texas August 7, 2006. Sheehan, whose military son Casey was killed in Iraq in 2004, has sought for a year to meet with President Bush about the withdrawal of U.S. troops from Iraq. REUTERS/Jason Reed (UNITED STATES) 

Reporters are reflected in the sunglasses of anti-war activist Cindy Sheehan as she gives a roadside press conference near a security checkpoint leading to U.S. President George W. Bush's ranch in Crawford, Texas August 7, 2006. Sheehan, whose military son Casey was killed in Iraq in 2004, has sought to meet President Bush for a year about the withdrawal of U.S. troops in Iraq. REUTERS/Jason Reed (UNITED STATES) 

Anti-war activist Cindy Sheehan holds a roadside press conference near a security checkpoint leading to U.S. President George W. Bush's ranch in Crawford, Texas August 7, 2006. Sheehan's military son Casey was killed in Iraq in 2004, and for a year has sought to meet President Bush about the withdrawal of U.S. troops from Iraq. REUTERS/Jason Reed (UNITED STATES) 

Anti-war activist Cindy Sheehan (R) wipes her brow as she maintains her vigil near a roadside checkpoint leading to U.S. President George W. Bush's ranch in Crawford, Texas August 7, 2006. Sheehan's military son Casey was killed in Iraq in 2004, and for a year has sought to meet President Bush about the withdrawal of U.S. troops in Iraq. REUTERS/Jason Reed (UNITED STATES) 

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) 

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)