[Fraulein]

Showing the nuance and complexity of thought liberals pride themselves on, they are excitedly restating...

Oh Annie, we love you, but please don't end sentences and/or clauses with prepositions: "Showing the nuance and complexity of thought upon which liberals pride themselves, they are excitedly restating..."

[ThePythonicCow]

but please don't end sentences and/or clauses with prepositions

That is the sort of nonsense up with which I will not put (quoting Churchill, tongue in cheek).