Harris & Harris Group Invests In Xradia, Inc.>TINY 01/12/2007 Dow Jones News Services (Copyright © 2007 Dow Jones & Company, Inc.) <A HREF="http://xradia.com/index.html" target="_blank">http://xradia.com/index.html</A> (MORE TO FOLLOW) Dow Jones Newswires 01-12-07 1455ET