First, there is no www in any URL used at wordpress.com. It should seamlessly redirect to the non-www domain name, but once in a while it does not.
When I go to http://sahaye.com/ , I see a blog using Rubic titled "Straight from the Heart. Is that what I'm supposed to see?
You might want to log out, clear your browser cache and cookies, restart your browser and then take another look. If that does not work, shut down your computer and the start it up again so that the OS will clear the local DNS cache.
Also, how long ago did you map the domain name to your blog here? It it was just with in the last day or so, it can take up to 72 hours for domain name propagation to make it all the way around the internet. How soon you would see the change depends on how often your ISP updates their DNS caches.