Dotun Adebayo in Washington for the 50th anniversary of Dr Martin Luther King Jnr's speech.
50 years on race is still an isssue in the US. Dotun spoke to Trayvon Martin's mother.
Peggy Wallace Kennedy tells Dotun her father came to regret his stance at the school door.
Dr Alvida King, Martin Luther King's niece, recalls her uncle's lighter side.
"It was a wonderful day" friend of Dr King 50 years on from "I have a dream" speech.
Juanita Abernathy, friend of Martin Luther King, says America is still racist.
George Curry & Danielle Belton talk about the justice system and Martin Luther Kings dream
Up All Night's Dotun Adebayo visits the Martin Luther King memorial in Washington DC.
70-year-old Zean Young tells Dotun about being at Martin Luther King's 'speech.
Simeon Wright tells of Till's kidnapping, who was killed for whistling at a white woman.