One chilly evening in late November, a panel discussion on Iraq was convened at New York University. The participants were liberal intellectuals, and one by one they framed reasonable arguments against a war in Iraq: inspections need time to work; the Bush doctrine has a dangerous agenda; the history of U.S. involvement in the Middle East is not encouraging. The audience of 150 New Yorkers seemed persuaded.

Then the last panelist spoke. He was an Iraqi dissident named Kanan Makiya, and he said, ''I'm afraid I'm going to strike a discordant note.'' He pointed out that Iraqis, who will pay the highest price in the event of an invasion, ''overwhelmingly want this war.'' He outlined a vision of postwar Iraq as a secular democracy with equal rights for all of its citizens. This vision would be new to the Arab world. ''It can be encouraged, or it can be crushed just like that. But think about what you're doing if you crush it.'' Makiya's voice rose as he came to an end. ''I rest my moral case on the following: if there's a sliver of a chance of it happening, a 5 to 10 percent chance, you have a moral obligation, I say, to do it.''

The effect was electrifying. The room, which just minutes earlier had settled into a sober and comfortable rejection of war, exploded in applause. The other panelists looked startled, and their reasonable arguments suddenly lay deflated on the table before them.

Michael Walzer, who was on the panel, smiled wanly. ''It's very hard to respond,'' he said.

It was hard, I thought, because Makiya had spoken the language beloved by liberal hawks. He had met their hope of avoiding a war with an even greater hope. He had given the people in the room an image of their own ideals.