Party Polarization: The Voting Gap [...]

![](http://rainystreets.wikity.cc/files/2016/02/Screen Shot%202013-09-23%20at%2012.26.43%20PM.png “From The Atlantic.”)
[Source](#source “Source: http://www.theatlantic.com/politics/archive/2013/09/the-most-controversial-laws-of-the-last-100-years-the-stimulus-and-obamacare-are-1-and-2/279899/)

When the political parties in the U.S. were ideologically diverse (and arguably, more corrupt) there was less party unity. The Gingrich revolution began a process of escalation that has not stopped since.