It’s only because it’s just a wee bit more over the top than the real things that you can tell it’s satire:
Big hat tip to The New Editor
UPDATE: The above video represents fake Democrats (read: “Republican satirists”) in action. Nothing, of course, can compare to the real deal, who are so over-the-top that Scott Brown has been forced to file criminal charges against them (presumably for election fraud).
UPDATE II: And in the media, real Democrats actively encourage voter fraud.