To expand, the Todd-Whitman-Republican business has always been around (Senator Javits, Mathias, Governor Romney) and they were precisely the folks undermining Ronald Reagan in 1976 and 1980.
Again, an interesting article. I don't believe that a demographic study would back up the thesis though. The last analysis of the election I read (published in the Economist) covered the difference between the "Red Zone" and "Blue Zone". In this article the primary determinant of voting habits was race and the frequency of church attendance. Frequency of "South Park" viewing was not examined.