well, for many, an objective discussion of obama is impossible because they seem to treat him as some sort of infallible being, and cannot even entertain a comparative analysis without resorting to name calling and hate attacks.
i am not including you in that group, as you are able to discuss without attack. for so many of them, when a question is hard, the usual answer is a deflection to a hate post about palin, but that is not what you have done.