Perjury is a serious crime. This newspaper argued on behalf of its seriousness in the 1990s, during the Clinton perjury controversy, and today is no different. We'd have hoped that more conservatives would agree. The integrity of the judicial process depends on fact-finding and truth-telling. A jury found Libby guilty of not only perjury but also obstruction justice and lying to a grand jury. It handed down a very supportable verdict. This is true regardless of the trumped-up investigation and political witch hunt. It is true regardless of the unjustifiably harsh sentence.