Thats what I thought at first, that it was parody - but this guy was on Limbaugh's radio program and puts up a link for it, but I can't get to it though. Since Limbaugh is a fevrent supporter of for-profit intellectual property, about 90% of his website is off limits unless you pay for access. The page title comes up and says something like "Rush talks to 'Rush Babies founder", and then it changes to the login screen.
There's also a ton of commentary on the web written by him, and bloggers have taken shots at him, so I'm inclined to believe he's actually serious and the real thing.
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I live my life to prove wrong those who said I couldn't make it in life...