Funny you should mention that, the mlk family retain copyright of the recording, after a lawsuit with CBS, of that speech which is why you don't hear it in full

Funny you should mention that, the mlk family retain copyright of the recording, after a lawsuit with CBS, of that speech which is why you don't hear it in full. https://en.wikipedia.org/wiki/I_Have_a_Dream https://en.wikipedia.org/wiki/I_Have_a_Dream Though I suspect you know that already.