At the last minute, Senator John Kerry called for a filibuster to stop the Supreme Court nomination of Samuel A. Alito Jr. Senator Edward M. Kennedy joined the fight.

The initial reaction from fellow Democrats was tepid. Tepid it should remain.

Alito is conservative. But radical? The Democrats failed to make the case during hearings which proved only one thing beyond a reasonable doubt: their own boorishness.

Calling for a filibuster is a late, blatant bow to the left. It seemed more theatrical than realistic. Still, any such bowing from Massachusetts helps the Bush administration. ''Bring it on," chortled the Wall Street Journal after Kerry announced his effort to rally fellow Democrats from the World Economic Forum in Davos, Switzerland. There, the Journal snidely observed, he was ''communing with his political base."

Calling for a filibuster makes political sense for Kennedy, who is adored by every left-wing constituency in America. He isn't running for national office; he can afford to stick to strict liberal principle. He wants to go down fighting. For Kennedy, a filibuster call mollifies the left at no political cost. It is also an attempt to make up for the obvious: He used the wrong tone and tactics during the hearings. Going after Alito as a bigot backfired. Forget about Mrs. Alito's tears. The moment Kennedy was exposed for belonging to a discriminatory college fraternal organization, it was over. He lost the moral high ground...

...The longer Democrats and Republicans in Congress maintain the high level of hostile partisanship, the less attractive any would-be presidential candidate who hails from Congress looks. These senators who would be president help the cause of governors -- Democrats and Republicans -- who hold the same ambition...