George Gaylord Simpson

Every paleontologist knows that most new species, genera, and families, and that nearly all categories above the level of family appear in the record suddenly and are not led up to by known, gradual, completely continuous transitional sequences.

All of this suggests that while citizens became more comfortable with President Bush after September 11 and thought him to have the requisite leadership skills, they continue to harbor doubts about his priorities, loyalties, interests, and policies.