Yet in the wreckage of Pat and Cindy Sheehan's marriage there is surely a lesson for the Democratic Party. As Cindy says, they're both Democrats, but she's "more liberal" and "more radicalized." There are a lot of less liberal and less radicalized Dems out there: They're soft-left-ish on health care and the environment and education and so forth; many have doubts about the war, but they love their country, they have family in the military, and they don't believe in dishonoring American soldiers to make a political point. The problem for the Democratic Party is that the Cindys are now the loudest voice: Michael Moore, Howard Dean, Moveon.org, and Air America, the flailing liberal radio network distracting attention from its own financial scandals by flying down its afternoon host Randi Rhodes to do her show live from Camp Casey. The last time I heard Miss Rhodes she was urging soldiers called up for Iraq to refuse to go -- i.e., to desert.

On unwatched Sunday talk shows, you can still stumble across the occasional sane, responsible Dem. But, in the absence of any serious intellectual attempt to confront their long-term decline, all the energy on the left is with the fringe. The Democratic Party is a coalition of Pat Sheehans and Cindy Sheehans, and the noisier the Cindys get the more estranged the Pats are likely to feel.