Column 2comments | Jump to last This article may have been recategorised and is therefore no longer available at this URL. You can try to find the updated link in the article archive. Share article: Reader Comments (2) Note: the following content is not moderated or vetted by the site owners at the time of submission. Comments are the responsibility of the poster. Disclaimer Bill Griffiths 1 Posted 01/02/2014 at 18:06:15 Very interesting article, Tony. Rob Sawyer 2 Posted 02/02/2014 at 00:16:31 Great work, as always, Tony. Thanks. Add Your Comments In order to post a comment, you need to be logged in as a registered user of the site. » Log in now Or Sign up as a ToffeeWeb Member — it's free, takes just a few minutes and will allow you to post your comments on articles and Talking Points submissions across the site. About these ads © ToffeeWeb