Democrats hate George Bush. No, that’s not graffiti scribbled on a men’s room wall at the Democratic National Committee. That deeply felt anger is shaping the Democratic primary contest. But it is doing so in a way that threatens our party’s ability to appeal to swing voters next year. No one factor accounts for Democrats’ intense animosity. Indeed, almost any reason will do. Some are angry that he stole the election. Others are set off by the war. Still other Democrats find his support for special interests, or his environmental policy, or his tax cuts, or his halting locutions as...