The Desperate Revisionism of the Left 

In possession of government power, liberals pompously invoke established customs. But once out of power, they immediately start breaking them. No sooner had they lost the White House than they returned to the primitive and infantile stance of 1960s-style radicals. Liberalism is willfulness writ large. Its relationship to law and custom is determined not by fixed principle but by whatever liberals want at any given moment. Insofar as law and custom are useful to retaining power, liberals demand that others

Source: The Desperate Revisionism of the Left | The American Spectator