Rasmussen today has Obama's approval index at -26, which is the lowest it's ever been, with only 19% giving him strong approval, and a whopping 45% registering strong disapproval.
Since May, in the aftermath of the killing of bin Laden, Obama's approval index monthly averages are as follows:
August - -20.4%
July - -17.0%
June - -14.6%
May - - 10.3%
Preference cascade.... catch the wave!
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Gallup is showing the preference cascade too... look at the end of this graph, and the new separation between approval and disapproval (now 38-54):
