Just as famed Maricopa County Sheriff Joe Arpaio is preparing to release results of his investigation of Barack Obama’s eligibility for Arizona’s 2012 ballot, a top-gun activist who led a successful campaign to recall a key Arpaio ally is now targeting the sheriff himself.In the coming weeks, it will be decided whether transplanted radical attorney-activist and “community organizer” Randy Parraz can force Arpaio to resign before the sheriff’s Cold Case Posse has a chance to deliver a report in February.Parraz, who has made his career applying Saul Alinsky-style community organizer tactics for radical leftist movements in the U.S. and Canada,...