Clayton Stapleton wrote: 
While using Firefox Browser:
   Can access the following:
      Ubuntu and Free Software links,
      Firefox and Mozilla links,
      inbox.com
   cannot access the following:
      www.cnn.com,
      www.google.com
      yahoo.com

While not using the browser can access the following:
   Applications:
      Add/remove packages
   System:
      Administration:
         Update manager
            "Your system is up-to-date"
            (no updates since insallation of Ubuntu)

Hope this will give a clue?

Thanks,
Clay
Are you sure you have internet access?
open up a shell and run the following commands:
/sbin/ifconfig
ping google.com
ping 72.14.207.99
traceroute www.cnn.com