We\'re including in our website the SSO feature on Disqus.
Following the Disqus documentation here http://help.disqus.com/customer/portal/articles/526768 and here http://he
To answer your question directly, there's no way to remove the other login options. NPR and IGN have an implementation which isn't available to any other site. That said we're working on a feature that will address the "SSO-only" concerns so we can even phase them out of using this barrier.