March on Washington: Throngs mark ‘I Have a Dream’ anniversary

CNN’s documentary “We Were There: The March on Washington - An Oral History” will be shown at 8 p.m. Sunday.

Story highlights

Two of Martin Luther King Jr.'s children will speak at event

Obama, former presidents Clinton, Carter headline a second march Wednesday

March passes King Memorial

Al Sharpton: Marchers want action, not nostalgia

CNN  — 

Standing on the spot where 50 years earlier the Rev. Martin Luther King Jr. made “I have a dream” the clarion call of the civil rights movement, a broader call for equality rang out Saturday.