To subscribe to the WNN Podcasts in iTunes, you will click on 'Advanced' at the top of iTunes. When the shortcut menu pops up you will have an option to subscribe to a podcast, click it and a dialogue box will pop up asking for a URL. Enter the url below. You can set your iTunes to automatically check and download any new shows that are posted. You can check to see if it's working by clicking on the Podcasts icon in your iTunes library.

Code:
http://www.whitenewsnow.com/external.php?type=RSS2&forumids=181
Another way to subscribe is by going to the main Forum page http://www.whitenewsnow.com/forum.php and look for the WNN Radio Podcasts forum. In the row this forum is listed is a small orange rectangle that says RSS in the middle. Click the little rectangle and it will bring up the RSS Feed for the podcast forum. On this page there is an option to subscribe to the feed. Every time a new podcast is posted, you will receive a notification from the feed.