Stephen Colbert is motivated by the American Dream:
"And that dream is simple. That anyone, no matter who they are, if they are determined, if they are willing to work hard enough, someday they could grow up to create a legal entity which could then receive unlimited corporate funds, which could be used to influence our elections."
—"The Serious Implications of Stephen Colbert's FEC Stunt," The Atlantic Wire, 14 May 2011
He just formed his own super PAC. If like me you didn't know what a super PAC is or does, the Christian Science Monitor has a good simple rundown here:
In time for Election 2012, a Stephen Colbert super PAC. What is that?
You can read the FEC decision here.
Or you can just watch Colbert's victory speech: