A few weeks ago, Mr. Cantor was the hard man in the confrontation over the debt ceiling; he was willing to endanger America’s financial credibility, putting our whole economy at risk, in order to extract budget concessions from President Obama. Now he’s doing it again, this time over disaster relief, making headlines by insisting that any federal aid to the victims of Hurricane Irene be offset by cuts in other spending. In effect, he is threatening to take Irene’s victims hostage…

And it turns out that in 2004, when his home state of Virginia was struck by Tropical Storm Gaston, Mr. Cantor voted against a bill that would have required the same pay-as-you-go rule that he now advocates.

But, as I see it, hypocrisy is a secondary issue here. The primary issue should be the extraordinary nihilism now on display by Mr. Cantor and his colleagues — their willingness to flout all the usual conventions of fair play and, well, decency in order to get what they want.