Evolving Evangelicals

A reader writes:

It's a truism in many theological circles that religious belief flows in generational waves, as each rejects the premises of its parents.  The first generation is fundamentalist.  The second is liberal.  The third is unchurched.  The fourth is fundamentalist.

Oh, and if I were not already against Hillary, the accretion of The Egregious Sidney Blumenthal would seal the deal.