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Buchanan is unlikely ever to become sole arbiter of a movement as broad as American conservatism. His campaign increasingly resembles that of Jesse Jackson, who launched his 1988 presidential bid as part of his persistent drive to become the single spokesman for African Americans. That effort caught fire and became a full-fledged campaign for a few months. But after he peaked as a candidate, Jackson resumed his old crusade. In the end, Buchanan's campaign may likewise revert from a run at the presidency to his crusade to become Mr. Conservatism.