US President Barack Obama presents the P

US President Barack Obama presents the Presidential Medal of Freedom to musician Bob Dylan during a ceremony on May 29, 2012 in the East Room of the White House in Washington. The award is the country's highest civilian honor. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/GettyImages)

President Obama Awards Presidential Medals Of Freedom

<> on May 29, 2012 in Washington, DC.

President Obama Awards Presidential Medals Of Freedom

<> on May 29, 2012 in Washington, DC.

President Obama Awards Presidential Medals Of Freedom

<> on May 29, 2012 in Washington, DC.

President Obama Awards Presidential Medals Of Freedom

<> on May 29, 2012 in Washington, DC.

US President Barack Obama stanads next t

US President Barack Obama stanads next to musician Bob Dylan before presenting him with the Presidential Medal of Freedom during a ceremony on May 29, 2012 in the East Room of the White House in Washington. The award is the country's highest civilian honor. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/GettyImages)

US President Barack Obama presents the P

US President Barack Obama presents the Presidential Medal of Freedom to retired Supreme Court associate justice John Paul Stevens during a ceremony on May 29, 2012 in the East Room of the White House in Washington. The award is the country's highest civilian honor. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/GettyImages)

US President Barack Obama presents the P

US President Barack Obama presents the Presidential Medal of Freedom to author Toni Morrison during a ceremony on May 29, 2012 in the East Room of the White House in Washington. The award is the country's highest civilian honor. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/GettyImages)

US President Barack Obama congratulates

US President Barack Obama congratulates former secretary of state Madeleine Albright after presenting her with the Presidential Medal of Freedom during a ceremony on May 29, 2012 in the East Room of the White House in Washington. The award is the country's highest civilian honor. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/GettyImages)

US President Barack Obama presents forme

US President Barack Obama presents former secretary of state Madeleine Albright with the Presidential Medal of Freedom during a ceremony on May 29, 2012 in the East Room of the White House in Washington. The award is the country's highest civilian honor. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/GettyImages)

President Obama Awards Presidential Medals Of Freedom

WASHINGTON, DC - MAY 29: Former astronaut and former U.S. Sen. John Glenn (D-OH) is presented with a Presidential Medal of Freedom by U.S. President Barack Obama during an East Room event May 29, 2012 at the White House in Washington, DC. The Medal of Freedom, the nation?s highest civilian honor, is presented to individuals who have made especially meritorious contributions to the security or national interests of the United States, to world peace, or to cultural or other significant public or private endeavors. (Photo by Alex Wong/Getty Images)

US President Barack Obama presents the P

US President Barack Obama presents the Presidential Medal of Freedom to former assistant attorney general in charge of the Civil Rights Division of the Department of Justice John Doar during a ceremony on May 29, 2012 in the East Room of the White House in Washington. The award is the country's highest civilian honor. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/GettyImages)

US President Barack Obama presents the P

US President Barack Obama presents the Presidential Medal of Freedom to astronaut and former senator John Glenn during a ceremony on May 29, 2012 in the East Room of the White House in Washington. The award is the country's highest civilian honor. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/GettyImages)

US President Barack Obama shows the way

US President Barack Obama shows the way to musician Bob Dylan before presenting the Presidential Medal of Freedom to him during a ceremony on May 29, 2012 in the East Room of the White House in Washington. The award is the country's highest civilian honor. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/GettyImages)

Muscian Bob Dylan is seen before receive

Muscian Bob Dylan is seen before receiveing the Presidential Medal of Freedom from US President Barack Obama during a ceremony on May 29, 2012 in the East Room of the White House in Washington. The award is the country's highest civilian honor. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/GettyImages)

US President Barack Obama presents the P

US President Barack Obama presents the Presidential Medal of Freedom to former NCAA basketball coach Pat Summitt during a ceremony on May 29, 2012 in the East Room of the White House in Washington. The award is the country's highest civilian honor. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/GettyImages)

US President Barack Obama presents the P

US President Barack Obama presents the Presidential Medal of Freedom to author Toni Morrison during a ceremony on May 29, 2012 in the East Room of the White House in Washington. The award is the country's highest civilian honor. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/GettyImages)

US President Barack Obama presents the P

US President Barack Obama presents the Presidential Medal of Freedom to rights activist Dolores Huerta during a ceremony on May 29, 2012 in the East Room of the White House in Washington. The award is the country's highest civilian honor. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/GettyImages)

US President Barack Obama speaks during

(Photo credit: MANDEL NGAN/AFP/GettyImages)

US President Barack Obama speaks during the Presidential Medal of Freedom presentation ceremony May 29, 2012 in the East Room of the White House in Washington, DC. The award is the country's highest civilian honor. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/GettyImages)

Muscian Bob Dylan is seen with the Presi

Muscian Bob Dylan is seen with the Presidential Medal of Freedom after he was presented with the medal by US President Barack Obama during a ceremony May 29, 2012 in the East Room of the White House in Washington, DC. The award is the country's highest civilian honor. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/GettyImages)