Check Out the Official White House Radio Feed
Yesterday the White House launched their official podcast of the Weekly Radio Address. You can get it here:
English: http://www.whitehouse.gov/rss/radioaddress.xml
Spanish: http://www.whitehouse.gov/rss/radioaddress.es.xml
also in iTunes: White House Podcasts
Visit the White House Radio site for more information.
Note: Podcast One is not an official government source. We're just fans. ;)