One of the two major parties, the Republican Party, has become an insurgent outlier — ideologically extreme; contemptuous of the inherited social and economic policy regime; scornful of compromise; unpersuaded by conventional understanding of facts, evidence and science; and dismissive of the legitimacy of its political opposition.
-- Thomas E. Mann and Norman J. Ornstein
Which, y'know, is not news to you. But I found it rather impressive that this appears in a book written by a couple of long-time Beltway insiders, one from the palace of center-rightism and the other from The American Enterprise Institute.
The comedy begins when one of the permanently cowed crowd over at Nice Polite Republicans | Morning Edition, whence the above was obtained, does his tote-baggin' best to make the Both Sides Are Just As Bad argument, since a portion of the book talks about the MSM compounding the problem by pretending that Both Sides Are Just As Bad.