It’s common for commemorations of Martin Luther King Jr. Day to include excerpts from his famous “I Have a Dream” speech. But there’s good reason not to play it in full: The work in its entirety is copyrighted. Click the audio player above to hear the full story. 

President Obama went way over his time limit but didn't seem to care.

Cuomo's 1984 "Two Cities" speech has influenced politicians of all stripes.

Speech coaches say effective presentation is key to getting ahead in business.

With graduation in the air, here's a sampling of inspiring commencement speeches of 2012 featured in today's show.

Voilà! A brilliant presidential campaign speech, constructed from nothing but titles of songs from President Obama's own Spotify playlist.