“Cheers erupted” at the headquarters of the conservative Weekly Standard, according to a blog post by a member of the magazine’s staff, with the headline “Obama loses! Obama loses!” Rush Limbaugh declared himself “gleeful.” “World Rejects Obama,” gloated the Drudge Report. And so on…

But more important, the episode illustrated an essential truth about the state of American politics: at this point, the guiding principle of one of our nation’s two great political parties is spite pure and simple. If Republicans think something might be good for the president, they’re against it — whether or not it’s good for America…

How did one of our great political parties become so ruthless, so willing to embrace scorched-earth tactics even if so doing undermines the ability of any future administration to govern?…

The result has been a cynical, ends-justify-the-means approach. Hastening the day when the rightful governing party returns to power is all that matters, so the G.O.P. will seize any club at hand with which to beat the current administration.