Quick VIDEO-note on the risk of duplicating content (6 min 47 sec)
In short and veeeery simplified - if you copy content and post it on your web site or media channel you are duplicating content. Google, YAHOO! etc does not appreciate duplication of content and are likely to punish you....
Here is a great interview from Matt Cutts. He joined Google as a software engineer in January 2000 and is currently the head of Google's Webspam team.
Matt is great fun to listen to 
Matt Cutts commenting duplication of content