In this Jan. 12, 2012 file photo, Bob Dylan performs in Los Angeles. President Barack Obama and first lady Michelle Obama will honor a diverse cross-section of political and cultural icons â including former Sec...In this Jan. 12, 2012 file photo, Bob Dylan performs in Los Angeles. President Barack Obama and first lady Michelle Obama will honor a diverse cross-section of political and cultural icons â including former Secretary of State Madeleine Albright, astronaut John Glenn, basketball coach Pat Summitt and rock legend Bob Dylan â with the Medal of Freedom at a White House ceremony Tuesday. The Medal of Freedom is the nation's highest civilian honor. It's presented to individuals who have made especially meritorious contributions to the national interests of the United States, to world peace or to other significant endeavors. MORE LESS