It has only grown worse, as Krista Tippett, host of the public radio show Being (formerly Speaking of Faith), observes.
What we once called the red state, blue state divide is now more like two parallel universes where understandings of plain fact are no longer remotely aligned. This leads to a diminishing sense of the humanity of those who think and live differently than we do. And that is the ultimate moral slippery slope, for everyone on it and for the fabric of our civic life.
For months I've been planning to write a post on why I've come to hate politics. I still may write that, but this eloquent summary touches on a part of the answer.