Via Marc Lynch's "Twitter Feed":http://twitter.com/abuaardvark, this "Wall Street Journal article":http://online.wsj.com/article/SB10001424052748704132204576135882356532702.html#
Political scientists "Drew Linzer":http://userwww.service.emory.edu/~dlinzer/ and "Lisa Blaydes":http://www.stanford.edu/~blaydes/ have "another article