To view the speech on YouTube, click or tap here. To look back on the historic day further, view the photos below. FILE - The Rev. Dr. Martin Luther King Jr., head of the Southern Christian ...

the Rev. Martin Luther King Jr. was the leading voice of the American civil rights movement. The protests he organized, the marches he led and the speeches he delivered continue to resonate today.

"If you look at Martin Luther King when he did his speech, his great speech ... That clip is obviously going viral, so let's ...