Add feed to your new category (Administrator -> Content management -> Feed aggregator -> "Add feed" tab. Enter URL of feed, set update interval and check the appropriate category. You will need to contact ewh-webmaster to set up a cron job)
Go back to the List view and click on the "update items" link (Administrator -> Content management -> Feed aggregator -> "List" tab)
Enable the feed (Administrator -> Site building -> Blocks. Drag & Drop the item to the Right Block)
You will need to grant view permission to anonymous and authenticated users (Administrator -> User management -> Permissions)