From the indispensable Charles Pierce ....
The basic lesson of last night's primary elections in several states is not to nominate morons. It is decidedly not the comeback of the "Establishment Republicans" because that myth depends vitally on two assertions that are demonstrably unproven in this political era: a) that "Establishment" somehow means "moderate," and b) that there is any such thing as a Republican establishment, or as a formal Republican party, for that matter.
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The idea that there is any kind of serious ideological difference worth caring about between a candidate backed by the Club For Growth and a candidate backed by the United States Chamber Of Commerce continues to be laughable.
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The radical conservative philosophy has captured the infrastructure of the Republican party, root and branch, local and national. It's just wearing shoes again now.
http://www.esquire.com/blogs/politics/About_Last_Night