Jeffrey Wright addresses the audience at The 'Realizing the Dream' Martin Luther King Jr Tribute at Riverside Church in New York City on January 15, 2006 at the 'Realizing the Dream' Martin Luther King Jr Tribute at Riverside Church in...

Ambassador Andrew Young, Dr James A Forbes, Martin Luther King III and William Wachtel at the 'Realizing the Dream' Martin Luther King Jr Tribute at Riverside Church in New York, New York on January 15, 2006. (Footage by WireImage...

Martin Luther King Jr Presentation at the 'Realizing the Dream' Martin Luther King Jr Tribute at Riverside Church in New York, New York on January 15, 2006. (Footage by WireImage Video/Getty Images)

Dr James A Forbes ends the program with an audience march and 'We Shall Overcome' during the 'Realizing the Dream' Martin Luther King Jr Tribute at Riverside Church in New York City on January 15, 2006 at the 'Realizing the Dream' Martin...

Martin Luther King III at the 'Realizing the Dream' Martin Luther King Jr Tribute at Riverside Church in New York, New York on January 15, 2006. (Footage by WireImage Video/Getty Images)

Jeffrey Wright and Dr James A Forbes address the audience at The 'Realizing the Dream' Martin Luther King Jr Tribute at Riverside Church in New York City on January 15, 2006 at the 'Realizing the Dream' Martin Luther King Jr Tribute at...

Jeffrey Wright addresses the audience at The 'Realizing the Dream' Martin Luther King Jr Tribute at Riverside Church in New York City on January 15, 2006 at the 'Realizing the Dream' Martin Luther King Jr Tribute at Riverside Church in...

Martin Luther King Statue DC

Andrea Waters, Martin Luther King III, Jeffrey Wright, Susan Sarandon and Dr James A Forbes at the 'Realizing the Dream' Martin Luther King Jr Tribute at Riverside Church in New York, New York on January 15, 2006. (Footage by WireImage...

Martin Luther King Jr Presentation at the 'Realizing the Dream' Martin Luther King Jr Tribute at Riverside Church in New York, New York on January 15, 2006. (Footage by WireImage Video/Getty Images)

Ambassador Andrew Young, Dr Martin Luther King III, William Wachtel and Marian Wright Edelmn at the 'Realizing the Dream' Martin Luther King Jr Tribute at Riverside Church in New York, New York on January 15, 2006. (Footage by WireImage...

Martin Luther King Statue DC

Dr James A Forbes ends the program with an audience march and 'We Shall Overcome' during the 'Realizing the Dream' Martin Luther King Jr Tribute at Riverside Church in New York City on January 15, 2006 at the 'Realizing the Dream' Martin...

Exterior of White House in Washington, DC / President Lyndon Johnson signs the 1965 Voting Rights Bill into law / Vice President Hubert Humphrey shakes hands with officials as President Johnson seats himself at his desk / Martin Luther...

Martin Luther King Jr marches with his supporters through Montgomery to pressure changes in the civil rights voting bill / Priests marching arm and arm / police walk among the protestors / march passes state courthouse / huge crowd in...

Civil Rights March on Washington / African American civil rights leader, Asa Philip Randolph makes statement after Martin Luther King speech: I think history was written today, which will have its effect on coming generations with...

Cloe up of a flowerbed near the Martin Luther King Memorial in Washington DC.

INTERVIEW: Spike Lee on the film being the President's first date movie with his wife, on the quotes used in the film by Malcolm X and Martin Luther King, on not changing anything in retrospect. at the Special Screening Celebrating the...

The 'Krewe of Harambee Mardi Gras Parade' is held annually on Martin Luther King Jr Day / spectators attend the celebration in downtown Shreveport to honor the life of Dr King in a traditional Mardi Gras fashion.

B/W 1960's Martin Luther King in civil rights march / Montgomery, Alabama / SOUND

The 'Krewe of Harambee Mardi Gras Parade' is held annually on Martin Luther King Jr Day / spectators attend the celebration in downtown Shreveport to honor the life of Dr King in a traditional Mardi Gras fashion.

Long shot of the Martin Luther King Memorial in Washington DC.

High angle mid shot of the Martin Luther King Memorial in Washington DC.

B/W 1960's PAN to Martin Luther King in civil rights march / Montgomery, Alabama / SOUND