Why has the Obama Campaign started sending misleading information about opponents this early?

First, it was the DNC, not the Obama Campaign that will be releasing this ad. Secondly, did you see the debates? They did nothing but attack Obama, bolster failed Bush policies, and talk crazy. They couldn't attack each other, because they are unable to differentiate themselves. They all believe the same thing, therefore attacking another's policies would be like attacking their own. The GOP has no substance and no answers to any of the problems we are facing.