In the aftermath of the primary, Democrats settled on the idea that Lieberman fell because of his support for the Iraq war. This was technically true, in the same way that a 95-year-old man might technically be said to die from pneumonia; there were, to say the least, underlying causes. The war was a galvanizing issue, but Lieberman's loss was just the first major victory for a larger grass-roots movement. While that movement is identified with young, online activists, it is populated largely by exasperated and ideologically disappointed baby boomers. These are the liberals who quietly seethed as Bill Clinton worked with Republicans to reform welfare and pass free-trade agreements. After the ''stolen'' election of 2000 and the subsequent loss of House and Senate seats in 2004, these Democrats felt duped. If triangulation wasn't a winning strategy, they asked, why were they ever asked to tolerate it in the first place? The Web gave them a place to share their frustrations, and Howard Dean gave them an icon.
Iraq has energized these older lapsed liberals; for a generation that got into politics marching against Vietnam, an antiwar movement is comfortable space. But it was the yearning for a more confrontational brand of opposition on all fronts, for something resembling the black-and-white moral choices of the 1960's, that more broadly animated Lamont's insurgency. Connecticut's primary showdown (which now appears to be headed for a sequel in November) marked an emphatic repudiation not just of the war but also of Clinton's ''third way'' governing philosophy - a philosophy not unlike the Republican ethos of ''compromise'' and ''pragmatism'' that so infuriated Reagan conservatives.
If history were to repeat itself, this outpouring of new liberal passion would portend trouble for the party's establishment candidates in 2008 (especially one possible candidate whose last name happens to be Clinton). But there is at least one crucial difference between insurgents of the 1970's and today. When Bell ran for the Senate in 1978, he was so obsessed with his plan to slash taxes that he went to the extraordinary length of bringing in Arthur Laffer, the renowned conservative economist, to draw his famous Laffer Curve at a news conference in Trenton. By contrast, Lamont's signature proposal as a primary candidate - and the only one anyone cared to hear, really - seemed to be the hard-to-dispute notion that he is not, in fact, Joe Lieberman. He offered platitudes about universal health care and good jobs and about bringing the troops home but nothing that might define him as anything other than what he is: an acceptable alternative.
Leaders of the Netroots, as the Internet activists have been named, will tell you that big ideas are way overrated in American politics - that you first have to master the business of getting elected before you can worry about how to govern. (Most powerful Democrats in Washington now believe this too.) But even with legions of outraged conservatives at his back, Reagan would not have taken over his party in 1980 - let alone the White House - had he not articulated an affirmative and bold argument against his party's status quo, vowing to devolve the federal government and roll back détente with the Soviets. Passion and fury started the revolution, but it took a leader with larger vision to finish the job.
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