I just spent the last 17 minutes watching it in its entirety. It's a beautiful speech, so well delivered.
As I listened to it again moments ago, I thought of how how far we've come in 50 years; how far we've slipped since Obama's election and what would Martin Luther King Jr. have to say about the state of the country today.
If you've never listened to the whole thing, now, on this 50th anniversary of its delivery, is a great time to do so: