Do agile certifications mean anything?

How do CIOs know their IT talent has the skills, knowledge and experience to get the job done? Certifications can provide a valuable benchmark that can demonstrate expertise with just a glance. But how can you certify competence and proficiency with a methodology like agile?
"Certifications get a bad rap. The arguments against certification exist for almost every certification, whether that's Java, Oracle, Microsoft -- and now agile. It's not something my clients are specifically asking for, the