In the early part of the 20th century, with racial segregation still in place throughout much of the U.S., black filmmakers were forced to work outside the white Hollywood mainstream -- and produced around 500 films, mainly for black audiences. This year, the company Kino Lorber released a five-disc collection containing 20 hours of these films, called "The Pioneers of African-American Cinema." Executive producer Paul Miller, joins NewsHour Weekend Special Correspondent Karla Murthy.