Stephen Colbert teams up with 'Lord of the Rings' cast for truly spectacular anniversary rap

Did you know next week is the 20th anniversary of the first Lord of the Rings movie, The Fellowship of the Ring?

Well, known mega fan Stephen Colbert does. And he's so appalled that there aren't more people making a big song and dance about it that he decided to make one himself.

"Lord of the Rings is without a doubt the...