He said: “It would be a national celebration that all Americans could participate in, because our memories reinforce our values of who we are.
“It’s quite clear to me that the nation has rarely felt that black lives matter [and] whatever black people did or whatever happened to black people didn’t really matter.
“I think it is relevant today. It is. It is part of the conversation about Black Lives Matter.”
He added: “[Juneteenth] is a holiday jubilee, and there is nothing wrong with after so many years, almost a 150-something years, for African Americans to say, ‘OK, we can now celebrate with the nation, our own jubilee.’ That’s important.”