Georgia Congressman John Lewis arrives at the National Action to Realize the Dream march and rally commemorating the 50th Anniversary of the march on Washington, D. C.

U. S. Attorney Eric Holder Jr. departs at National Action to Realize the Dream march and rally commemorating the 50th Anniversary of the march on Washington, D. C.

Reverend Jesse Jackson speaks at the National Action to Realize the Dream march and rally commemorating the 50th Anniversary of the march on Washington, D. C.

US Attorney General Eric Holder at the National Action to Realize the Dream march and rally commemorating the 50th Anniversary of the march on Washington, D. C.

Reverend Jesse Jackson at the National Action to Realize the Dream march and rally commemorating the 50th Anniversary of the march on Washington, D. C.

Singer Tony Bennett sings at the National Action to Realize the Dream march and rally commemorating the 50th Anniversary of the march on Washington, D. C.

Reverend Jesse Jackson speaks at the National Action to Realize the Dream march and rally commemorating the 50th Anniversary of the march on Washington, D. C.

US Attorney General Eric Holder at the National Action to Realize the Dream march and rally commemorating the 50th Anniversary of the march on Washington, D. C.

U. S. Attorney Eric Holder Jr. speaks at the National Action to Realize the Dream march and rally commemorating the 50th Anniversary of the march on Washington, D. C.

Harvard Professor Charles Ogletree speaks at the National Action to Realize the Dream march and rally commemorating the 50th Anniversary of the march on Washington, D. C.

Georgia Congressman John Lewis waves at the National Action to Realize the Dream march and rally commemorating the 50th Anniversary of the march on Washington, D. C.

Georgia Congressman John Lewis waves at the National Action to Realize the Dream march and rally commemorating the 50th Anniversary of the march on Washington, D. C.

Photographer Joseph Sohm at Martin Luther King 50th Anniversary of "I Have A Dream" Speech