In 1998, then First Lady Hillary Clinton famously observed that a “vast right-wing conspiracy” was subverting her husband’s presidency. A decade later, a similar gang of Republican miscreants has mobilized to bring down the Obama administration and healthcare reform. Recent conservative attacks resulted in the firing of Van Jones. Didn’t liberals learn anything from the coordinated assaults on the Clinton administration? Why isn’t there a left-wing “conspiracy” to counter the kamikaze tactics of the right? The conservative attack machine has three components. The first is political. Conservatives have adopted what Clinton adviser, Sidney Blumenthal, termed the perpetual campaign. As soon...