Both Sides Not 0
Leonard Pitts, Jr., points out the “political polarization” in the United States has but one author. A snippet:
No, we are divided because one party did. And it wasn’t the Democrats.
Our political thinking being as fixedly bipolar as it is, many people will read the foregoing as an endorsement of the Democratic Party. It emphatically is not. Democrats are very often disorderly, disputatious, and downright dumb, not to mention stunningly bad at deciding and conveying what they stand for.
In other words, they are pretty much what they were 30 years ago. The same cannot be said of the GOP.
Follow the link for his reasoning.