In a major development in his probe of Barack Obama’s eligibility for Arizona’s 2012 presidential ballot, Maricopa County Sheriff Joe Arpaio has dispatched his lead Cold Case Posse investigator and a deputy detective to Hawaii. The mission to Obama’s purported birthplace comes as the Hawaii Department of Health continues to resist efforts by Arizona Secretary of State Ken Bennett to verify that the Honolulu agency has a valid birth certificate on file for Obama.