Shorter Paul Krugman

Mr. Krugman looks at the nonsense behind the so-called "sensible" Joe Lieberman.

After Ned Lamont’s victory in Connecticut, I saw a number of commentaries describing Joe Lieberman not just as a “centrist” — a word that has come to mean “someone who makes excuses for the Bush administration” — but as “sensible.” But on what planet would Mr. Lieberman be considered sensible?

Take a look at Thomas Ricks’s “Fiasco,” the best account yet of how the U.S. occupation of Iraq was mismanaged. The prime villain in that book is Donald Rumsfeld, whose delusional thinking and penchant for power games undermined whatever chances for success the United States might have had. Then read Mr. Lieberman’s May 2004 op-ed article in The Wall Street Journal, “Let Us Have Faith,” in which he urged Mr. Rumsfeld not to resign over the Abu Ghraib scandal, because his removal “would delight foreign and domestic opponents of America’s presence in Iraq.”

And that’s just one example of Mr. Lieberman’s bad judgment. He has been wrong at every step of the march into the Iraq quagmire — all the while accusing anyone who disagreed with him of endangering national security. Again, on what planet would Mr. Lieberman be considered “sensible”? But I know the answer: on Planet Beltway.

Many of those lamenting Mr. Lieberman’s defeat claim that they fear a takeover of our political parties by extremists. But if political polarization were really their main concern, they’d be as exercised about the primary challenge from the right facing Lincoln Chafee as they are about Mr. Lieberman’s woes. In fact, however, the sound of national commentary on the Rhode Island race is that of crickets chirping.

So what’s really behind claims that Mr. Lieberman is sensible — and that those who voted against him aren’t? It’s the fact that many Washington insiders suffer from the same character flaw that caused Mr. Lieberman to lose Tuesday’s primary: an inability to admit mistakes.

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There’s an overwhelming consensus among national security experts that the war in Iraq has undermined, not strengthened, the fight against terrorism. Yet yesterday Mr. Lieberman, sounding just like Dick Cheney — and acting as a propaganda tool for Republicans trying to Swift-boat the party of which he still claims to be a member — suggested that the changes in Iraq policy that Mr. Lamont wants would be “taken as a tremendous victory by the same people who wanted to blow up these planes in this plot hatched in England.”

In other words, not only isn’t Mr. Lieberman sensible, he may be beyond redemption.