As I said a week ago, the American short attention span mentality says you can’t sustain celebrity hysteria over months. Palin’s popularity has clearly peaked too soon. The red and blue lines of this chart are quickly converging. Daily Kos’s Poll say they have already converged, but I’m comfortable with the more conservative numbers from Hotline.
At the end of the day, this is an election between Barack Obama and John McCain. Sarah Palin is but a footnote.