Now that Bernard Kerik has been relegated to a footnote in the history of Homeland Security, the Bush administration must come up with a new choice to head the department. If there is any upside to Mr. Kerik's train wreck of a nomination it is that his career, as it emerged in press reports in the days after his nomination, provides a checklist of many of the qualities the next secretary should not have. The next nominee will clearly be better vetted, but he or she should also be a person of unquestioned competence, integrity and independence. When Mr. Kerik,...