An interesting study here depicts how little overlap there is in voting in Congress compared to what it was decades ago. As you can see...

Our politics has become more divisive. Republicans and Democrats seem to look at each as aliens and look back at the past as a kinder, gentl...

Frequency with which polar ice and polarize is mentioned in books since 1900. It looks neck and neck.

Politically, counties are becoming more sharply divided. Between 1976 and 2008, the percentage of counties where the Republican or Democrati...