The one thing about Martin Luther King Jr.'s greatness everyone keeps missing
Updated 5:00 PM ET, Mon January 20, 2020
(CNN)The Rev. Martin Luther King Jr. was barreling toward the climax of his greatest speech when he made a split-second decision that would seal his place in history.
Most people recall what the cameras caught: King declaring "I have a dream!" before 250,000 jubilant supporters at the March on Washington during a muggy, sun-splashed summer day. But there was one crucial exchange that the cameras didn't catch.
King had planned to cap his speech by exhorting