You will notice that Disqus is the commenting applications used for both.
Please use this article to test this out if you like, comments made on either site on the same article will appear together.
If there are any issues please click on the green "report a problem" button on richarddawkins.net or send an e-mail to firstname.lastname@example.org about an issue on either site.
To format text using Disqus for the time being you can use tags for bold, italics, links, and blockquote by inserting the html tags for those.
Comment count on the beta site is "stuck" at one
A list of allowable html tags with Disqus is here http://help.disqus.com/customer/portal/articles/466253
The issue with pending approval or comments containing a url has been updated. You can now post a url and your comment should appear immediately.