Pernicious result: A horrendous conflict of interest, as the ratings agencies were paid by the companies they were rating.
Then there is this malaise or passivity towards contemporary conflict which is pernicious inaction: so not mobilising, not being the leader on the Rohingya being systematically ethnically cleansed.
Yet, according to Judge Walker, the conflict was so obvious and so pernicious that Worth could not possibly have adequately represented Schwarz, even though Schwarz had known about the conflict.
But just as pernicious is the interplay between that desire for conflict and the allegiance to ideology.
Riding still gave me a zen-like appreciation for the living in the now, but it also created a very particular and pernicious form of stress, a rising sense of conflict and self-loathing.
As a working mother of four children who has juggled motherhood with an academic career for the last 16 years, I am all too familiar with this particular conflict, and I agree that it is pernicious and harmful to women.
The pernicious and longstanding bias in the media for superficial conflict, paired with their manifest bias for Hillary Clinton, elevates these encounters to a kind of "identity politics theater," a blunt but powerful narrative device used to measure the Sanders' commitment to his professed beliefs.
Research suggests, however, that this is not correct; the Exeter Family Study of the mid-Nineties concluded that family breakdown had a much more pernicious influence on a child's well-being than parental conflict.
But Mr. Nasr writes that the ones between what he describes as politically minded aides at the White House and the State Department were particularly pernicious, especially since they centered on decisions about an Afghan conflict that Mr. Obama once called a "war of necessity".
There is some nervousness about the genetic retelling of history, partly because, as Mr. Cavalli-Sforza points out in his book, racism has been an ancient part of historical conflict and has, in modern times, become particularly pernicious in its association with genetics.
