The Rev. Dr. Martin Luther King Jr. gestures during his “I Have a Dream” speech at the March on Washington on Aug. 28, 1963. (AP Photo/File) by John Blake (CNN) — Nan Grogan Orrock defied her family’s wishes by sneaking away to join the 1963 March on Washington. But don’t ask her about Martin Luther King’s “I Have a Dream” speech. She doesn’t remember it.