http://www.babble.com/CS/blogs/strollerderby/archive/2008/06/28/want-to-know-about-the-twin-earths-ask-people-with-twins.aspxIf things on our planet ever do get as bad as they are in 'Wall-E', we may not need to move to a space station. Apparently Earth, like Mary-Kate Olson, may have a twin . Fellow Babble blogger Susie Felber (check her out over on Toddler Tube )enCommunityServer 2007.1 (Build: 20910.1126)