I am not accustomed to creating xml files programmatically.  The big picture
is this: This will be in VB/VS 2005/ winforms.  I have a DTD, a sample XML,
and an outside data source I will use to populate the XML.  In general I
think I know how to create elements and attributes and ...

I'm new to XML namespaces, and I seem to be missing something obvious
in this code snippet, which is trying to retrieve the feed/entry nodes
from an XPathNavigator document:
       XmlNamespaceManager mgr = new