One of the signs some people point to as evidence that our society is going the wrong way is the polarization in politics, particularly at the federal and state level. Almost everything seems to go on straight, or nearly straight, party-line votes. Rarely is any legislation bipartisan.

There are probably several reasons for this phenomenon and it may not be further evidence of the degeneracy of our society. An article that appeared in the Review section of the Wall Street Journal for the weekend of April 22 and 23 mentioned one plausible reason.