Former Reasoner David Weigel has an interesting article up that seeks to answer why there aren't any Club For Growth/FreedomWorks/Tea Party/Paulista-style primary-election challenges to the worst of the Democratic Party's status quo (like, say, the execrable Dianne Feinstein). This section in particular is unintentionally revealing: Two months ago, Progressive Insurance founder Peter Lewis left the Democracy Alliance, a lefty donor coalition. Earlier this month, billionaire George Soros made his first 2012 political donations—$1 million each to America Votes and American Bridge 21st Century. That’s $23.5 million less than he gave to liberal groups in 2004. According to David McKay, chairman...