His failings as an effective President with meaningful and relevant polices to address social, economic, financial and industrial malaise are the prime reasons.Over-borrowing and trying to spend his way to prosperity has taken the budget deficit to astronomical heights.Even with Dem voters his popularity is on the wane, with the perceived caving in by Obama to GOP demands being a prime reason.His liberal base are also bound to be peeved as he failed to get tax increases into the final deal.America is finally waking up to his Socialist ideals.