Photo of the day

Well, if the Economist is going to keep putting cool Instagram photos in my FB feed, I might as well share them here.  El Chapo’s tunnel:

The persistence of asymmetry

Nice post at Voteview updating the latest data on partisan polarization.  Surprise, surprise… yes, it remains the Republicans who have shifted far to the right while the Democrats have remained quite stable.  And it’s not just regional effects:

Below are graphs of the House and Senate means from 1879 through 10 July 2015. We computed the means from our Weekly CS DW-NOMINATE Scores.

In a previous post we showed that polarization is asymmetric and due to the Republican Party moving sharply to the Right after 1976. Several people sent us e-mails asking if this was due to the realignment of the South (the 11 States of the Confederacy plus Kentucky and Oklahoma [the definition used by Congressional Quarterly]) into the Republican Party. The answer is No. In the House and Senate graphs below we show Northern and Southern Republicans along with Northern and Southern Democrats. In the House the Northern and Southern Republicans moved in tandem during the entire post WWII period:

However, it bears repeating, overall, the increase in polarization in both chambers is primarily due to the Republican Party moving to the Right. [emphasis mine]



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