Please consider joining as a paid member. It costs as little as $5 per month ($2.50 for students) and is a significant portion of the funding for The Conversations Network, a 501(c)(3) non-profit.
Register with an 
OpenID.
OpenID is a new open standard that lets you register and sign into web sites with a single URL that you own. This URL can be your homepage or blog, or it can be provided to you by a web site you use. In either case, you only have to sign in once to your OpenID provider so you only need to maintain a single password. [Learn more]
You can attach your OpenID to your existing registration or use OpenID to register for a new membership. In both cases, you will then be able to login using your OpenID provider and you won't have to use or remember a separate password for The Conversations Network.